InChI=1/C28H29NO4/c1-31-24-11-12-26-27(19-24)33-17-13-25(20-3-7-22(30)8-4-20)28(26)21-5-9-23(10-6-21)32-18-16-29-14-2-15-29/h3-12,19,30H,2,13-18H2,1H3/p+1/fC28H30NO4/h29H/q+1 13BB964EB47D4C15