InChI=1/C21H16N2O4S/c1-27-20(25)15-10-4-5-11-16(15)22-18-19(24)23(21(26)28-18)17-12-6-8-13-7-2-3-9-14(13)17/h2-12,18,22H,1H3/t18-/m0/s1	436B3B049B44D457