InChI=1/C28H29NO3/c1-3-16-29(17-4-2)19-24-25(30)15-14-23-27(31)26(32-28(23)24)18-20-10-12-22(13-11-20)21-8-6-5-7-9-21/h5-15,18,30H,3-4,16-17,19H2,1-2H3/b26-18-/f/h30h,29H B5630B34A37A9641