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