InChI=1/C15H16N4O2S/c1-7-11-13(16)18-15(17)19-14(11)22-12(7)9-6-8(20-2)4-5-10(9)21-3/h4-6H,1-3H3,(H4,16,17,18,19)/f/h16-17H2 8938D0B5A13D82CB