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7-[(P-nitrophenylazo)methyl ]benz[c]acridine

4-[[P-(dimethylamino)phenyl ]azo]-2-methylpyridine

4-Amino-4’-nitro-3-biphenylol hydrochloride

4-(Dimethylamino)-3-biphenylol

2’-Methyl-biphenyl-4-ylamine

2-Acetylaminocarbazole

3-Acetylaminodibenzothiophene 5-oxide

12-Methylbenz[a]anthracene-7-carbonitrile

5-Propylbenzo[c]phenanthrene

7,8,9,12-Tetramethylbenz[a]anthracene