InChI=1/C27H31NO4/c1-27(2,3)18-11-9-16(10-12-18)17-13-21-25(22(29)14-17)20(15-24(30)28-21)19-7-6-8-23(31-4)26(19)32-5/h6-12,17,20H,13-15H2,1-5H3,(H,28,30)/t17-,20+/m0/s1/f/h28H A98C388122E4ED75