InChI=1/C34H31NO3/c1-35-22-30(20-26-12-16-32(17-13-26)37-24-28-8-4-2-5-9-28)34(36)31(23-35)21-27-14-18-33(19-15-27)38-25-29-10-6-3-7-11-29/h2-21H,22-25H2,1H3/b30-20-,31-21+ A9F914244F7938B3