c1c2c(cc(c1Cl)NCc3cncs3)OCCCCOc4c(ncc(n4)NC(=O)N2)C#N 418190 Ki = 6560 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 Cc1cccc(c1)C2=Nc3c(ncnc3NCC2)N 428285 IC50 = 50000 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 c1cc(c(c(c1)F)C2=NCc3cnc(nc3-c4c2cc(cc4)Cl)Nc5ccc(cc5)C(=O)O)F 428508 IC50 = 53000 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 Cc1c2cnc(cc2n(n1)c3ccccc3)N[C@@H](C)c4ccccc4 493665 IC50 = 1301 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 Cc1ccccc1n2c3cc(ncc3c(n2)C)N[C@@H](C)c4ccccc4 493666 IC50 = 7685 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 Cc1ccc(cc1)n2c3cc(ncc3c(n2)C)N[C@@H](C)c4ccccc4 493668 IC50 = 4528 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 Cc1c2cnc(cc2n(n1)c3ccccc3OC)N[C@@H](C)c4ccccc4 493669 IC50 = 14451 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 Cc1c2cnc(cc2n(n1)c3cccc(c3)OC)N[C@@H](C)c4ccccc4 493732 IC50 = 5928 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 Cc1c2cnc(cc2n(n1)c3ccccc3F)N[C@@H](C)c4ccccc4 493734 IC50 = 4516 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 Cc1c2cnc(cc2n(n1)c3ccc(cc3)F)N[C@@H](C)c4ccccc4 493736 IC50 = 3241 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 Cc1c2cnc(cc2n(n1)c3cccc(c3)C(C)C)N[C@@H](C)c4ccccc4 492985 IC50 = 1476 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 Cc1c2cnc(nn2c(n1)c3ccccc3)NCc4ccccc4 516587 IC50 = 1500 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 Cc1c2cnc(nn2c(n1)c3ccccc3)Nc4ccccc4 516672 IC50 = 1200 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 Cc1c2cnc(nn2c(n1)c3ccccc3)Nc4ccc(cc4)N(=O)=O 516747 IC50 = 2810 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 Cc1c2cnc(nn2c(n1)c3ccccc3)Nc4ccc(cc4)S(=O)(=O)N 516748 IC50 = 2740 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 Cc1c2cnc(nn2c(n1)c3ccccc3OC)Nc4cc(c(c(c4)OC)OC)OC 516829 IC50 = 5660 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 Cc1c2cnc(nn2c(n1)c3ccccc3N(=O)=O)Nc4cc(c(c(c4)OC)OC)OC 516830 IC50 = 1980 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 Cc1c2cnc(nn2c(n1)c3ccccc3Br)Nc4cc(c(c(c4)OC)OC)OC 516831 IC50 = 2670 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 Cc1c2cnc(nn2c(n1)c3ccc(cc3)C(F)(F)F)Nc4cc(c(c(c4)OC)OC)OC 516913 IC50 = 1060 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 c1ccc(cc1)c2cccc3c2oc(cc3=O)N4CCOCC4 157152 IC50 = 2100 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 c1cc(sc1)CCNc2ncc(c(n2)Nc3ccc4c(c3)OCCO4)c5n[nH]nn5 491013 IC50 = 1040 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 c1cc(cc(c1)N(=O)=O)c2ccnc(n2)Nc3ccc(cc3)N(=O)=O 491014 IC50 = 6500 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 CC(=O)Nc1cccc(c1)c2ccnc(n2)Nc3ccc(cc3)O 491015 IC50 = 6900 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 c1cc(cc(c1)Cl)c2ccnc(n2)Nc3ccc(cc3)Cl 491016 IC50 = 8700 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 c1ccc2c(c1)c(c[nH]2)C[C@@H](COc3cc(cnc3)c4cc5ccncc5s4)N 491091 IC50 = 10000 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 c1cc(c(cc1O)O)c2c(c(=O)c3c(cc(cc3o2)O)O)O 42426 IC50 = 12600 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 CC(c1ccccc1)Nc2ncc(c(n2)OCC3CCCCO3)C#N 491235 IC50 = 1600 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 CCCN(CC1CC1)c2c(cnc(n2)NCc3ccc4c(c3)OCO4)C#N 491236 IC50 = 1600 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 c1cc2c(cc1)N=C\3C2=C(C(=O)/C3=C/c4ccc(cc4)O)C5=C6C(=Nc7c6cccc7)/C(=C\c8ccc(cc8)O)/C5=O 491237 IC50 = 2000 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 c1c(cc(c2c1n(=O)c(s2)C(=O)N)N(=O)=O)C(F)(F)F 491238 IC50 = 2400 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 Cc1c(sc(n1)C)c2ccnc(n2)Nc3ccc(cc3)O 67880 IC50 = 5000 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 c1cc(cc(c1)N)c2ccnc(n2)Nc3ccc(cc3)O 491239 IC50 = 7800 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 Cc1c(sc(n1)NC)c2ccnc(n2)Nc3ccc(cc3)O 67879 IC50 = 10000 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 c1c(cc(c2c1n(=O)c(s2)C(=O)N)N(=O)=O)C#N 491308 IC50 = 10000 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 CNc1cccc(c1)c2ccnc(n2)Nc3ccc(cc3)O 491309 IC50 = 13700 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 c1c(cc(c2c1n(=O)c(s2)C#N)N(=O)=O)C(F)(F)F 491310 IC50 = 21000 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 c1c(cc(c2c1n(=O)c(s2)O)N(=O)=O)C(F)(F)F 491311 IC50 = 39000 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 c1c(cc(c2c1n(=O)c(s2)C(=O)N3CCCC3)N(=O)=O)C(F)(F)F 491312 IC50 = 56000 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 c1cc(c(cc1c2c(c(=O)c3c(cc(cc3o2)O)O)O)O)O 3666 IC50 = 64000 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 CNc1c2c(c3c(n1)n(c(n3)c4ccccc4)C)n(cn2)C 477771 IC50 = 12000 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 c1ccc(cc1)C(=O)Nc2ncc(s2)c3cc(c(s3)C(=O)N)OCc4ccccc4C(F)(F)F 566424 IC50 = 2100 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 COc1ccc-2c(c1)NC(=O)Cc3c2n4c(cc(n4)c5ccccc5)nc3 596276 IC50 = 17000 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 c1ccc2c(c1)-c3c(cnc(n3)Nc4ccc(cc4)I)CC(=O)N2 596466 IC50 = 15000 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 COc1ccc(cc1)Nc2ncc3c(n2)-c4ccccc4NC(=O)C3 596467 IC50 = 47000 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 c1ccc2c(c1)-c3c(cnc(n3)Nc4cccc(c4)O)CC(=O)N2 596539 IC50 = 19000 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 c1ccc2c(c1)-c3c(cnc(n3)Nc4ccccc4Cl)CC(=O)N2 596540 IC50 = 73000 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 c1ccc2c(c1)-c3c(cnc(n3)Nc4ccccc4O)CC(=O)N2 596598 IC50 = 14000 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 COc1ccc(cc1O)Nc2ncc3c(n2)-c4ccccc4NC(=O)C3 596599 IC50 = 5700 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 c1ccc2c(c1)-c3c(cnc(n3)Nc4ccc(c(c4)Cl)O)CC(=O)N2 596600 IC50 = 9300 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 Cc1cc(ccc1Nc2ncc3c(n2)-c4ccccc4NC(=O)C3)O 596601 IC50 = 20000 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 CCOc1ccc(cc1)Nc2ncc3c(n2)-c4ccc(cc4NC(=O)C3)OC 596661 IC50 = 7300 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 c1cc(ccc1Nc2ncc3c(n2)-c4cnccc4NC(=O)C3)O 596727 IC50 = 2600 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 COc1ccc(cc1)Nc2ncc3c(n2)-c4cnccc4NC(=O)C3 596728 IC50 = 2500 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 CCOc1ccc(cc1)Nc2ncc3c(n2)-c4cnccc4NC(=O)C3 596729 IC50 = 1700 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 c1cc(cc(c1)O)Nc2ncc3c(n2)-c4cnccc4NC(=O)C3 596730 IC50 = 2300 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 c1cc(c(cc1Nc2ncc3c(n2)-c4cnccc4NC(=O)C3)Cl)O 596811 IC50 = 1400 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 c1cc2c(nc1)-c3c(cnc(n3)Nc4ccc(cc4)O)CC(=O)N2 596812 IC50 = 55000 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 Cn1cc(c2c1ccc(c2)F)C3=C(C(=O)NC3=O)c4cccc(c4)NCC(CO)O 612900 Kd = 23000 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 Cn1c-2c(c(n1)C(=O)N)CCc3c2nc(nc3)Nc4ccccc4C(=O)OC 625648 IC50 = 1117 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 Cn1c-2c(c(n1)C(=O)N)CCc3c2nc(nc3)Nc4ccccc4c5ccccc5 625651 IC50 = 1565 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 Cn1c-2c(c(n1)C(=O)N)CCc3c2nc(nc3)Nc4ccccc4C(=O)c5ccccc5 625723 IC50 = 1969 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 Cn1c-2c(c(n1)C(=O)N)CCc3c2nc(nc3)Nc4ccccc4Sc5ccccc5 625724 IC50 = 2033 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 CC(=O)c1c(cccc1N2CCN(CC2)C)Nc3ncc4c(n3)-c5c(c(nn5C)C(=O)N)CC4 625829 IC50 = 2051 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 Cn1c-2c(c(n1)C(=O)N)CCc3c2nc(nc3)Nc4ccccc4C(=O)N 625649 IC50 = 2076 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 CC(=O)Nc1ccccc1Nc2ncc3c(n2)-c4c(c(nn4C)C(=O)N)CC3 625828 IC50 = 2523 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 Cn1c-2c(c(n1)C(=O)N)CCc3c2nc(nc3)Nc4ccccc4S(=O)(=O)N 625650 IC50 = 3733 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 CNC(=O)c1c2c(n(n1)C)-c3c(cnc(n3)Nc4ccccc4)CC2 556286 IC50 = 4215 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 Cc1c(sc(n1)N)c2ccnc(n2)Nc3ccc(cc3)O 67752 IC50 = 25000 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 Cc1c(sc(n1)C)c2ccnc(n2)Nc3ccc(cc3)O 67880 IC50 = 5000 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 Cc1c(sc(n1)NC)c2ccnc(n2)Nc3ccc(cc3)O 67879 IC50 = 10000 nM 10907 8 P53350 Serine/threonine-protein kinase PLK1 Cc1c2c(c(sc2[nH]n1)C(=O)N)NC(=O)c3ccccc3Cl 334157 IC50 = 23000 nM 10907 9 P53350 Serine/threonine-protein kinase PLK1 Cc1c2c(c(sc2[nH]n1)C(=O)N)NC(=O)C(=O)OC 334275 IC50 = 8000 nM 10907 9 P53350 Serine/threonine-protein kinase PLK1 c1ccc(cc1)CCNC(=O)c2cc3c([nH]nc3s2)c4ccccc4 334200 IC50 = 17000 nM 10907 9 P53350 Serine/threonine-protein kinase PLK1 c1ccc(cc1)c2c3cc(sc3n[nH]2)C(=O)NC4CCCCC4 334343 IC50 = 12000 nM 10907 9 P53350 Serine/threonine-protein kinase PLK1 Cc1c2cc(sc2[nH]n1)C(=O)NCc3ccccc3 334047 IC50 = 16000 nM 10907 9 P53350 Serine/threonine-protein kinase PLK1 COC(=O)c1cc2c([nH]nc2s1)Nc3ccccc3 334132 IC50 = 21000 nM 10907 9 P53350 Serine/threonine-protein kinase PLK1 CN1CCN(CC1)c2ccc(cc2)C(=O)Nc3c4c([nH]n3)CN(C4)C(=O)[C@@H](c5ccccc5)OC 436278 IC50 = 3500 nM 10907 9 P53350 Serine/threonine-protein kinase PLK1 CS(=O)(=O)Nc1cc2c(cc1Cl)NC(=O)Nc3cnc(c(n3)OCCCCCO2)C#N 370919 Ki = 2330 nM 10907 9 P53350 Serine/threonine-protein kinase PLK1 c1c2c(cc(c1Cl)OCCCO)OCCCCCOc3c(ncc(n3)NC(=O)N2)C#N 370916 Ki = 1280 nM 10907 9 P53350 Serine/threonine-protein kinase PLK1 Cc1c2cnc(cc2n(n1)c3ccccc3)N[C@H](C)c4ccccc4 491204 IC50 = 1301 nM 10907 9 P53350 Serine/threonine-protein kinase PLK1 C[C@H](c1ccccc1)Nc2cc3c(cn2)onc3C4CCCN(C4)CCC(=O)N 491427 IC50 = 7479 nM 10907 9 P53350 Serine/threonine-protein kinase PLK1 CC1CCCCC1c2c3cc(ncc3on2)N[C@H](C)c4ccccc4 491426 IC50 = 5689 nM 10907 9 P53350 Serine/threonine-protein kinase PLK1 C[C@H](c1ccccc1)Nc2cc3c(cn2)onc3c4cccs4 491424 IC50 = 3007 nM 10907 9 P53350 Serine/threonine-protein kinase PLK1 C[C@H](c1ccccc1)Nc2cc3c(cn2)onc3c4ccc(c(c4)OC)OC 491342 IC50 = 4927 nM 10907 9 P53350 Serine/threonine-protein kinase PLK1 Cc1ccc(cc1)c2c3cc(ncc3on2)N[C@H](C)c4ccccc4 491276 IC50 = 1170 nM 10907 9 P53350 Serine/threonine-protein kinase PLK1 C[C@H](c1ccccc1)Nc2cc3c(cn2)onc3c4ccccc4 491274 IC50 = 1616 nM 10907 9 P53350 Serine/threonine-protein kinase PLK1 c1ccc2c(c1)cc3n2c4c(c(=O)n(c4=O)CCCSC(=N)N)n5ccc6c5c3ccc6 453859 IC50 = 9900 nM 10907 9 P53350 Serine/threonine-protein kinase PLK1 c1ccc(c(c1)COc2cc(sc2C(=O)N)c3cnc4n3cccc4)C(F)(F)F 568256 EC50 = 5000 nM 10907 9 P53350 Serine/threonine-protein kinase PLK1 c1ccc(c(c1)COc2cc(sc2C(=O)N)c3cnc4n3cccc4)Cl 568262 EC50 = 1150 nM 10907 9 P53350 Serine/threonine-protein kinase PLK1 C[C@@H](c1ccccc1CO)Oc2cc(sc2C(=O)N)c3cnc4n3cccc4 559326 EC50 = 3750 nM 10907 9 P53350 Serine/threonine-protein kinase PLK1 CC(c1cc(ccc1Cl)CO)Oc2cc(sc2C(=O)N)c3cnc4n3cccc4 568272 EC50 = 1160 nM 10907 9 P53350 Serine/threonine-protein kinase PLK1 C[C@@H](c1ccc(cc1Cl)CNC)Oc2cc(sc2C(=O)N)c3cnc4n3cccc4 562923 EC50 = 36000 nM 10907 9 P53350 Serine/threonine-protein kinase PLK1 C[C@@H](c1ccc(cc1Cl)CN(C)C)Oc2cc(sc2C(=O)N)c3cnc4n3cccc4 564677 EC50 = 48000 nM 10907 9 P53350 Serine/threonine-protein kinase PLK1 CCNCc1ccc(c(c1)Cl)[C@H](C)Oc2cc(sc2C(=O)N)c3cnc4n3cccc4 562929 EC50 = 37000 nM 10907 9 P53350 Serine/threonine-protein kinase PLK1 C[C@@H](c1ccc(cc1Cl)CNC(C)C)Oc2cc(sc2C(=O)N)c3cnc4n3cccc4 559343 EC50 = 68000 nM 10907 9 P53350 Serine/threonine-protein kinase PLK1 C[C@@H](c1ccc(cc1Cl)CNC2CC2)Oc3cc(sc3C(=O)N)c4cnc5n4cccc5 555906 EC50 = 220000 nM 10907 9 P53350 Serine/threonine-protein kinase PLK1 C[C@@H](c1ccc(cc1Cl)CNC2CCCC2)Oc3cc(sc3C(=O)N)c4cnc5n4cccc5 559344 EC50 = 121000 nM 10907 9 P53350 Serine/threonine-protein kinase PLK1 C[C@@H](c1ccc(cc1Cl)CNC(C)(C)C)Oc2cc(sc2C(=O)N)c3cnc4n3cccc4 564689 EC50 = 48000 nM 10907 9 P53350 Serine/threonine-protein kinase PLK1 C[C@@H](c1ccc(cc1Cl)CNCCO)Oc2cc(sc2C(=O)N)c3cnc4n3cccc4 559354 EC50 = 184000 nM 10907 9 P53350 Serine/threonine-protein kinase PLK1 C[C@@H](c1ccc(cc1Cl)CNCCCO)Oc2cc(sc2C(=O)N)c3cnc4n3cccc4 562940 EC50 = 219000 nM 10907 9 P53350 Serine/threonine-protein kinase PLK1 C[C@@H](c1ccc(cc1Cl)CNC(C)(C)CO)Oc2cc(sc2C(=O)N)c3cnc4n3cccc4 561182 EC50 = 120000 nM 10907 9 P53350 Serine/threonine-protein kinase PLK1 C[C@@H](c1ccc(cc1Cl)CN2CCC(CC2)F)Oc3cc(sc3C(=O)N)c4cnc5n4cccc5 559233 EC50 = 400000 nM 10907 9 P53350 Serine/threonine-protein kinase PLK1 C[C@@H](c1ccc(cc1Cl)CN2CCN(CC2)C)Oc3cc(sc3C(=O)N)c4cnc5n4cccc5 568179 EC50 = 120000 nM 10907 9 P53350 Serine/threonine-protein kinase PLK1 C[C@@H](c1ccc(cc1Cl)CN2CCC(CC2)O)Oc3cc(sc3C(=O)N)c4cnc5n4cccc5 564538 EC50 = 390000 nM 10907 9 P53350 Serine/threonine-protein kinase PLK1 C[C@@H](c1ccc(cc1Cl)CN2CCC(C2)O)Oc3cc(sc3C(=O)N)c4cnc5n4cccc5 564539 EC50 = 227000 nM 10907 9 P53350 Serine/threonine-protein kinase PLK1 C[C@@H](c1ccc(cc1Cl)CN2CCNC(=O)C2)Oc3cc(sc3C(=O)N)c4cnc5n4cccc5 562825 EC50 = 1.7e+06 nM 10907 9 P53350 Serine/threonine-protein kinase PLK1 C[C@@H](c1ccc(cc1Cl)CN2CCS(=O)(=O)CC2)Oc3cc(sc3C(=O)N)c4cnc5n4cccc5 564546 EC50 = 400000 nM 10907 9 P53350 Serine/threonine-protein kinase PLK1 C[C@@H](c1ccc(cc1F)CNC(C)(C)C)Oc2cc(sc2C(=O)N)c3cnc4n3cccc4 555797 EC50 = 290000 nM 10907 9 P53350 Serine/threonine-protein kinase PLK1 C[C@@H](c1ccc(cc1C(F)F)CNC(C)(C)C)Oc2cc(sc2C(=O)N)c3cnc4n3cccc4 562836 EC50 = 82000 nM 10907 9 P53350 Serine/threonine-protein kinase PLK1 C[C@@H](c1ccc(cc1OC(F)F)CNC(C)(C)C)Oc2cc(sc2C(=O)N)c3cnc4n3cccc4 562837 EC50 = 19000 nM 10907 9 P53350 Serine/threonine-protein kinase PLK1 c1ccc(c(c1)COc2cc(sc2C(=O)N)n3cnc4c3cccc4)C(F)(F)F 475561 EC50 = 2000 nM 10907 9 P53350 Serine/threonine-protein kinase PLK1 CC(=O)O[C@@H]1C[C@]2([C@@H](CCC2=O)C3=C1[C@@]4(c5c(coc5C3=O)C(=O)O[C@@H]4COC)C)C 11985 IC50 = 1300 nM 10907 9 P53350 Serine/threonine-protein kinase PLK1 c1ccc(cc1)c2cccc3c2oc(cc3=O)N4CCOCC4 157152 IC50 = 2000 nM 10907 9 P53350 Serine/threonine-protein kinase PLK1 c1cc(c(c(c1)F)C(=O)n2c(nc(n2)Nc3ccc(cc3)S(=O)(=O)N)N)F 317507 Kd = 5000 nM 10907 9 P53350 Serine/threonine-protein kinase PLK1