InChI=1S/C30H34NO3/c1-31(20-22-12-14-24(15-13-22)23-8-4-2-5-9-23)26-16-17-27(31)19-28(18-26)34-30(33)29(21-32)25-10-6-3-7-11-25/h2-15,26-29,32H,16-21H2,1H3/q+1/t26-,27+,28+,29?,31?