InChI=1S/C27H43NO3/c1-3-5-7-8-9-10-11-12-13-22-31-27(30)25-16-14-21-28(25)26(29)24-19-17-23(18-20-24)15-6-4-2/h17-20,25H,3-16,21-22H2,1-2H3