InChI=1/C33H31NO3/c1-20-19-33(2,3)34-25-15-14-24-30(29(20)25)28(37-27-17-16-26(35)32(36-4)31(24)27)18-22-12-8-9-13-23(22)21-10-6-5-7-11-21/h5-19,25,29,34-35H,1-4H3/b28-18-/t25-,29-/m0/s1 A3C1BFF07C924240