4-(6-Chloro-2-pyridinyl)-2-methoxy-5-(3-methyl-5-isoxazolyl)pyrimidine

4-(Boc-amino)-2-chloropyridine-3-carboxylic acid

4-(Dimethoxymethyl)cyclohexanone

[4-(tert-Butoxycarbonyl)-1,4-diazepan-1-yl](3-methoxyphenyl)acetic acid

4-Amino-1-(3-methyl-2-butenyl)-2(1H)-pyrimidinone

4-Benzyl-1,4-diazepane-1-carboximidamide dihydrochloride

4-Bromo-1-(bromomethyl)-2-ethylbenzene

4-Bromophenyl 1,2,3-thiadiazol-5-yl sulfide

4-Chloro-2-methoxybenzoyl chloride

4-Chloro-6-(3,4-dihydro-1(2H)-quinolinyl)-2-pyrimidinamine

4-Fluoro-1H-pyrazole

4-Hydrazinopyridine hydrochloride

4-Methoxy-3-(trifluoromethyl)benzoyl chloride

4-Methyl-2-morpholinecarbothioamide

4-Methylpentanimidamide