4-(Diethylphosphino)-N,N-dimethylaniline

4-（二乙基膦基）-N,N-二甲基苯胺

4-(Methylthio)-1-butanol

4-(甲硫基)-1-丁醇

4-(Trimethylsilylethynyl)benzyl alcohol

4-(三甲基硅基乙炔基)苄醇

4-Amino-2-(trifluoromethyl)benzonitrile

4-氰基-3-三氟甲基苯胺

4-Aminophenylboronic acid hydrochloride

4-氨基苯硼酸 盐酸盐

4-Bromo-2-chloro-6-(trifluoromethyl)aniline

4-溴-2-氯-6-(三氟甲基)苯胺

4-Bromo-2,3,5,6-tetrafluoropyridine

4-溴-2,3,5,6-四氟吡啶

4-Bromoindole

4-溴吲哚

4-Chloro-2-iodobenzoic Acid

4-氯-2-碘苯甲酸

4-Cyano-4-(phenylcarbonothioylthio)pentanoic acid

4-氰基-4-(硫代苯甲酰)戊酸