Sigma-Aldrich
4-(1,3-Oxazol-2-yl)benzenesulfonyl chloride
4-(2-Formyl-1,3-thiazol-4-yl)benzonitrile
4-(2-Pyrimidinylamino)benzoic acid trifluoroacetate
4-(2,6-Dimethylphenoxy)pyridine
4-(3-Fluorophenyl)-1,3-thiazole-2-carbaldehyde
4-(4-(Prop-2-yn-1-yloxy)benzoyl)benzoic acid
4-(4-Isocyanophenyl)morpholine
4-(4-Pyrimidinylamino)benzoic acid
[4-(5-Chloro-1,3-benzoxazol-2-yl)-2-morpholinyl]methanamine dihydrochloride
4-(6-Fluoroindol-1-yl)butan-1-ol
4-(Boc-amino)benzaldehyde
4-(Boc-氨基)苯甲醛
4-(Hydrazineylmethyl)-2-methylpyridine hydrochloride
[4-(tert-Butoxycarbonyl)-1,4-diazepan-1-yl](3-methylphenyl)acetic acid
4-Amino-2-(4-pyridinyl)-5-pyrimidinecarbonitrile
4-Benzyl-3-(2-cyanoethyl)-1,2,3-oxadiazol-3-ium-5-olate