InChI=1/C12H12N2O4S2/c15-20(16)4-8-9(5-20)14(12(19)13-8)7-1-2-10-11(3-7)18-6-17-10/h1-3,8-9H,4-6H2,(H,13,19)/t8-,9+/m0/s1/f/h13H 395095B55891FF88