1,1-bis(p-methylphenyl)ethyl alcohol

4,4'-dimethyl-benzophenone 4-phenyl-semicarbazone

1,1'-(1,2-乙炔二基)二(4-甲基苯)

2,2-di-p-tolyl-4,5-diphenyl-3-oxazoline

4,4'-dimethylselenobenzophenone