InChI=1S/C28H47NO3/c1-18(23-8-6-5-7-15-29(23)4)28(32)17-24(31)25-21-10-9-19-16-20(30)11-13-26(19,2)22(21)12-14-27(25,28)3/h9,18,20-25,30-32H,5-8,10-17H2,1-4H3