InChI=1/C20H22N4O7S2/c1-3-31-19(26)20(2)12-17(23-13-4-8-15(9-5-13)32(21,27)28)18(25)24(20)14-6-10-16(11-7-14)33(22,29)30/h4-11H,3,12H2,1-2H3,(H2,21,27,28)(H2,22,29,30)/t20-/m1/s1/f/h21-22H2 5FC1859AEBC21DEC