InChI=1S/C23H33NO5/c1-18(25)14-11-9-7-5-3-2-4-6-8-10-12-15-19-16-13-17-20(26)21(19)22(27)24-23(28)29/h3,5,9,11,13,16-18,25-26H,2,4,6-8,10,12,14-15H2,1H3,(H,24,27)(H,28,29)/b5-3-,11-9-