InChI=1S/C28H35N3O9S/c1-3-21(17-4-8-19(32)9-5-17)28(40,18-6-10-20(33)11-7-18)16(2)41-15-23(26(37)30-14-25(35)36)31-24(34)13-12-22(29)27(38)39/h3-11,16,22-23,32-33,40H,12-15,29H2,1-2H3,(H,30,37)(H,31,34)(H,35,36)(H,38,39)/b21-3+