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