c1ccc(cc1)C#Cc2cccc3c2c(nc(n3)N)N 273018 IC50 > 30000 nM 10460 9 P16184 Dihydrofolate reductase c1cc(c(cc1NCc2coc3c2c(nc(n3)N)N)Cl)Cl 19146 IC50 > 35000 nM 10460 9 P16184 Dihydrofolate reductase CN(Cc1cccc2c1c(nc(n2)N)N)c3cc(ccc3OC)OC 273487 IC50 > 40000 nM 10460 9 P16184 Dihydrofolate reductase COc1cc(cc(c1OC)OC)CN2CCc3c(oc4c3c(nc(n4)N)N)C2 42988 IC50 > 35000 nM 10460 9 P16184 Dihydrofolate reductase COCCOc1c(cc(cc1OC)Cc2cnc(nc2N)N)OC 42532 IC50 > 63000 nM 10460 9 P16184 Dihydrofolate reductase