InChI=1/C31H34N2O2/c1-31(2,3)26-14-15-28-27(21-26)25(20-29(34)35-28)22-32-16-18-33(19-17-32)30(23-10-6-4-7-11-23)24-12-8-5-9-13-24/h4-15,20-21,30H,16-19,22H2,1-3H3 21B8FC70B3D7F47F