InChI=1S/C28H45NO3/c1-2-3-4-5-6-7-8-9-10-11-12-13-17-23-32-28(31)26-21-18-22-29(26)27(30)24-25-19-15-14-16-20-25/h14-16,19-20,26H,2-13,17-18,21-24H2,1H3