InChI=1/C18H20N6O2S/c1-10(2)21-18-19-9-14(27-18)17(26)22-13-8-12(5-4-11(13)3)16(25)23-15-6-7-20-24-15/h4-10H,1-3H3,(H,19,21)(H,22,26)(H2,20,23,24,25)/f/h20-23H 4A7F06419BB92318