InChI=1/C20H17N3O5S2/c1-2-12-3-5-13(6-4-12)9-17-19(26)22(20(29)30-17)11-18(25)21-15-10-14(23(27)28)7-8-16(15)24/h3-10,24H,2,11H2,1H3,(H,21,25)/b17-9+/f/h21H BD7DDAEDF0422E31