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