InChI=1/C20H20N5O2S/c1-20(2,3)15-8-10-16(11-9-15)28(26,27)24-17-6-4-5-7-18(17)25-19(22)14(12-21)13-23-25/h4-11,13H,22H2,1-3H3/q-1 77B061F6F1B8F881