2-hydroxy-1,3-diphenylbut-3-en-1-one

meso-1.6-diphenyl-3.4-dibenzoyl-hexanedione-(1.6)

1-phenyl-2ξ.3r.4c-tribenzoyl-cyclopentanol-(1)

2-phenyl-3-(ethoxycarbonyl)-indanone