InChI=1S/C28H35NO3/c1-5-6-8-13-22-25(29-17-20-11-9-7-10-12-20)27(31)24(28(32)26(22)30)23-16-19(4)14-15-21(23)18(2)3/h7,9-12,16,21,23,29,32H,2,5-6,8,13-15,17H2,1,3-4H3/t21-,23-/m1/s1