InChI=1S/C20H25N3O9S/c21-12(20(29)30)2-4-17(25)23-13(19(28)22-8-18(26)27)9-33-16(5-6-24)11-1-3-14-15(7-11)32-10-31-14/h1,3,6-7,12-13,16H,2,4-5,8-10,21H2,(H,22,28)(H,23,25)(H,26,27)(H,29,30)