InChI=1S/C23H35NO5/c1-2-3-4-9-15-19-20(29-19)16-10-7-5-6-8-12-17-13-11-14-18(25)21(17)22(26)24-23(27)28/h11,13-14,19-20,25H,2-10,12,15-16H2,1H3,(H,24,26)(H,27,28)