InChI=1S/C27H31NO5/c1-23(2)22-18(29)13-19-26(32-22,33-23)10-9-24(3)25(4)14(12-20(30)27(19,24)31)11-16-15-7-5-6-8-17(15)28-21(16)25/h5-8,13-14,20,22,28,30-31H,9-12H2,1-4H3/t14-,20+,22+,24-,25-,26+,27+/m1/s1