2-(4-chlorophenyl)-1-(4-methylphenyl)ethanone

6-(4-methylphenyl)sulfonyl-9-phenylpurine

2-(4-bromophenyl)-1-(4-methylphenyl)ethanone

2,4-bis-(4-methylphenyl)sulfonylpyridine

1-hydroxy-1-[(4-methylphenyl)sulfonylmethyl]urea