4-BENZYL-1-CARBAMOYLMETHYL-PYRIDINIUM, CHLORIDE

4-ACETYLPHENYL N-(3-FLUOROPHENYL)CARBAMATE

4-ALLYL-1-(2-CHLOROBENZOYL)-3-THIOSEMICARBAZIDE

4-Allyl-5-(3-chloro-4-methylphenyl)-4H-1,2,4-triazole-3-thiol

4-ALPHA,5-EPOXY-5-ALPHA-CHOLESTANE

4-AMINO-1-(2-ISOPROPYL-5-METHYLCYCLOHEXYL)-3,5-DIMETHYL-4H-1,2,4-TRIAZOL-1-IUM 4-[(E)-(4-HYDROXY-1-NAPHTHYL)DIAZENYL]BENZENESULFONATE

4-Amino-3-bromo-2-fluoropyridine

4-AMINO-3,3'-DIMETHOXY-4'-NITROBIPHENYL

4-BR-3(2-FURAN-2-YL-1,9B-2H-5-OXA-3,3A-DIAZA-CYCLOPENTA(A)NAPHTHALEN-4-YL)PHENOL

4-BENZYL-7,8-DIMETHOXY-2-METHYL-ISOQUINOLINIUM, IODIDE

4-BIPHENYL-4-YL-2-PHENYL-1,9B-DIHYDRO-5-OXA-3,3A-DIAZA-CYCLOPENTA(A)NAPHTHALENE

4-BR-2-(2-((2,5-DIMETHYLPHENOXY)ACETYL)CARBOHYDRAZONOYL)PHENYL 4-CHLOROBENZOATE

4-Bromo-2-(tert-butyl)oxazolo[4,5-c]pyridine-7-carboxylic acid

4-Bromo-2-methoxythiazole

4-BROMO-BENZOIC ACID 1-ETHYL-1,2-DIMETHYL-2-PHENYL-BUTYL ESTER