3,4-Dichloroorthanilic acid (SO3H=1)

3, 4-Dimethylbenzenesulfonic acid

3,4-Dichlorobenzoic acid (1-(4-((3-amino-2,3,6-trideoxy-alpha-L-lyxo-hexopyranosyl)oxy)-1,2,3,4,6,11-hexahydro-2,5,12-trihydroxy-7-methoxy-6,11-dioxo-2-naphthacenyl)-2-hydroxyethylidene)hydrazide, mon

3,4-Dichlorophenylboronic acid

3,4-Dimethoxybenzoic acid 4-(ethylphenethylamino)butyl ester

3,4 epoxybutyric acid

3,4,5-tridodecoxybenzoic acid