InChI=1/C20H20N4O2S/c1-11-7-8-16(12(2)9-11)19-22-13(3)17(27-19)18(25)23-14-5-4-6-15(10-14)24-20(21)26/h4-10H,1-3H3,(H,23,25)(H3,21,24,26)/f/h23-24H,21H2 498AB64D8C98B5B4