InChI=1S/C19H22N4O7S/c1-5-22-17-16(18(24)23(6-2)19(22)25)21(3)15(20-17)10-8-12-7-9-13(14(11-12)29-4)30-31(26,27)28/h7-11H,5-6H2,1-4H3,(H,26,27,28)/p-1/b10-8+