InChI=1S/C27H37NO4/c1-20(29)28(19-21-6-10-24(30-4)11-7-21)16-14-26(22-8-12-25(31-5)13-9-22)23-15-17-32-27(2,3)18-23/h6-13,23,26H,14-19H2,1-5H3