3-hydroxy-10,10-bis(4-hydroxyphenyl)anthracen-9-one

10,10-bis(4-methoxyphenyl)anthracen-9-one

[4-[4-[4-(3-bromobenzoyl)oxybenzoyl]benzoyl]phenyl] 3-bromobenzoate

1,1,1,2-tetrakis-(4-methoxy-phenyl)-ethane

(3,5-dinitrophenyl)-(4-hydroxyphenyl)methanone