InChI=1S/C23H33NO5/c1-2-12-19-20(29-19)16-10-8-6-4-3-5-7-9-13-17-14-11-15-18(25)21(17)22(26)24-23(27)28/h8,10-11,14-15,19-20,25H,2-7,9,12-13,16H2,1H3,(H,24,26)(H,27,28)/b10-8-