O=C(O)Cc1ccc2c(c1)SCc1ccccc1C2=O    mol31775    0_1
O=C(O)[CH-]c1ccc2c(c1)SCc1ccccc1C2=O    mol31775    -1_1
O=C([O-])Cc1ccc2c(c1)SCc1ccccc1C2=O    mol31775    -1_2