1,3-bis(4-acetylphenyl)thiourea

2-(4-aminophenyl)-6-bromoquinoline-4-carboxylic acid

2-(4-aminophenyl)-6-nitroquinoline-4-carboxylic acid

1-[4-(furo[2,3-b]quinolin-4-ylamino)phenyl]ethanone

1-(4-phenyldiazenylphenyl)ethanone