(2E)-1-{2-hydroxy-4,5-bis(4-methylphenyl)-2-[(E)-2-(4-methylphenyl)vinyl]cyclopentyl}-3-(4-methylphenyl)prop-2-en-1-one (non-preferred name) 1-[2-Hydroxy-4,5-di-p-tolyl-2-(2-p-tolyl-vinyl)-cyclopentyl]-3-p-tolyl-propenone InChI=1/C38H38O2/c1-26-5-13-30(14-6-26)17-22-35(39)37-36(33-20-11-29(4)12-21-33)34(32-18-9-28(3)10-19-32)25-38(37,40)24-23-31-15-7-27(2)8-16-31/h5-24,34,36-37,40H,25H2,1-4H3/b22-17+,24-23