InChI=1S/C21H35N3O9S/c1-3-4-5-6-14-19(33-14)15(9-18(28)32-2)34-11-13(20(29)23-10-17(26)27)24-16(25)8-7-12(22)21(30)31/h12-15,19H,3-11,22H2,1-2H3,(H,23,29)(H,24,25)(H,26,27)(H,30,31)