InChI=1S/C22H27NO7/c1-17(24)23-18-6-7-21-22(16-18)30-15-11-26-9-13-28-20-5-3-2-4-19(20)27-12-8-25-10-14-29-21/h2-7,16H,8-15H2,1H3,(H,23,24)