InChI=1/C20H21N4O2S2/c1-15-5-12-20(27-15)28(25,26)23-17-8-6-16(7-9-17)18-10-11-19(22-21-18)24-13-3-2-4-14-24/h5-12H,2-4,13-14H2,1H3/q-1 988AD3901A82B5C1