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