InChI=1S/C21H27NO7S/c1-2-12-22-14-18(29-30(25,26)27)15-28-21-13-17(23)9-10-19(21)20(24)11-8-16-6-4-3-5-7-16/h3-7,9-10,13,18,22-23H,2,8,11-12,14-15H2,1H3,(H,25,26,27)