InChI=1S/C22H31NO7S/c1-17(2)15-23-22(24)9-7-5-3-4-6-8-19(30-31(25,26)27)12-10-18-11-13-20-21(14-18)29-16-28-20/h3,5,10-14,17,19H,4,6-9,15-16H2,1-2H3,(H,23,24)(H,25,26,27)/b5-3+,12-10+