InChI=1/C20H22N3O4S2/c1-23(18-7-3-2-4-8-18)29(26,27)19-12-10-17(11-13-19)22-28(24,25)20-9-5-6-16(14-20)15-21/h5-6,9-14,18H,2-4,7-8H2,1H3/q-1 BF4D1795B6186B71