3, 4-Benzocarbazole

3, 4-Benzotropilidene

3, 4-Benzphenanthrene

3, 4-Biphenyldiol

3, 4-Bis((2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 8-pentadecafluoro-1-oxooctyl)amino)benzenesulphonyl chloride

3, 4-Bis((5-(hydroxy(oxido)amino)-2-pyridinyl)hydrazono)-3, 4-dihydro-1-naphthalenesulfonic acid

3, 4-Bis(3', 3'-dimethoxyphenyl)-3-hexene

3, 4-Bis(3'-methoxy-4'-hydroxyphenyl)-3-hexene

3, 4-Bis(3, 4-dihydroxyphenyl)pyrrolidine

3, 4-Bis(3, 4-methylenedioxyphenyl)-hexane

3, 4-Bis(4-hydroxyphenyl)-2, 4-hexadienol

3, 4-Bis(4-hydroxyphenyl)-3-hexenol

3, 4-Bis(4-methoxyphenyl)hexan-3-ol

3, 4-Bis(4-methylphenyl)-(1, 3)thiazolo(4, 5-d)(1, 3)thiazole-2, 5-dithione

3, 4-Bis(acetoxymethyl)-5-hydroxy-6-methylpyridinium chloride

3, 4-Bis(benzyloxy)benzaldehyde

3, 4-Bis(benzyloxy)benzyl alcohol

3, 4-Bis(benzyloxy)phenethylamine hydrochloride

3, 4-Bis(trifluoromethyl)-1, 2-dithiete

3, 4-Chrysenediol, 3, 4-dihydro-, (3R-trans)-