InChI=1/C15H12N4O2S/c1-8(20)21-10-4-2-9(3-5-10)13-11(6-16)14(18)22-15(19)12(13)7-17/h2-5,11,13,18H,19H2,1H3/t11-,13-/m0/s1 B2C405BDE61244D2