InChI=1/C12H8N2O4S2/c15-9-7(19-11(17)13-9)8-10(16)14(12(18)20-8)6-4-2-1-3-5-6/h1-5,7-8H,(H,13,15,17)/t7-,8+/m0/s1/f/h13H	2521EEFE19CF78AA