InChI=1S/C19H27N3O9S/c20-12(19(30)31)2-4-16(26)22-13(18(29)21-7-17(27)28)9-32-11(8-23)5-10-1-3-14(24)15(25)6-10/h1,3,6,11-13,23-25H,2,4-5,7-9,20H2,(H,21,29)(H,22,26)(H,27,28)(H,30,31)