phenyl-(3,6,7-tribenzoylnaphthalen-2-yl)methanone

2,3-diphenylbut-2-ene-1,4-diol

2-bromo-1,4-diphenylbutane-1,4-dione

2,5-diphenylthiophene 1,1-dioxide

1,4-bis(3-nitrophenyl)butane-1,4-dione