InChI=1S/C28H33NO3/c1-17-9-8-12-22-15-19(3)20(4)25-23(16-21-10-6-5-7-11-21)29-27(32)28(22,25)24(30)14-13-18(2)26(17)31/h5-8,10-15,17-18,20,22-23,25H,9,16H2,1-4H3,(H,29,32)/b12-8-,14-13+/t17-,18-,20+,22-,23-,25-,28-/m0/s1