InChI=1S/C21H27NO7S/c23-18(15-22-13-6-14-29-30(25,26)27)16-28-21-10-5-4-9-19(21)20(24)12-11-17-7-2-1-3-8-17/h1-5,7-10,18,22-23H,6,11-16H2,(H,25,26,27)