InChI=1S/C21H38N4O8S/c1-31-17-13-16(14-18(32-2)20(17)26)15-19(33-34(28,29)30)21(27)25(12-6-8-23)11-4-3-9-24-10-5-7-22/h13-14,19,24,26H,3-12,15,22-23H2,1-2H3,(H,28,29,30)