InChI=1/C12H12N6O2S/c1-6(19)15-12-16-8-3-2-7(4-9(8)21-12)10(20)17-11-13-5-14-18-11/h2-5,12,16H,1H3,(H,15,19)(H2,13,14,17,18,20)/t12-/m1/s1/f/h15,17-18H F3FA0615839504E2