InChI=1S/C23H33NO5/c1-2-13-19(25)16-11-9-7-5-3-4-6-8-10-14-18-15-12-17-20(26)21(18)22(27)24-23(28)29/h7,9,11-12,15-17,19,25-26H,2-6,8,10,13-14H2,1H3,(H,24,27)(H,28,29)/b9-7-,16-11+