4′-Bromo-2,2,2-trifluoroacetophenone

4-Bromo-α,α,α-trifluoroacetophenone

4-(1HTetrazol-5-yl)phenylboronic acid

4-(Boc-amino)-1-butanol

4-(Boc-氨基)-1-丁醇

4-(Difluoromethoxy)benzaldehyde

4-(二氟甲氧基)苯甲醛

4-(Methylthio)benzoyl chloride

4-（甲硫基）苯甲酰氯

4-Acetoxy-2-azetidinone

4-乙酰氧基-2-氮杂环丁酮

4-Amino-2-iodophenol

4-氨基-2-碘苯酚

4-Azidoaniline hydrochloride

4-叠氮苯胺 盐酸盐

4-Bromo-2-furaldehyde

4-溴-2-呋喃甲醛

4-Bromo-2,5-difluoroaniline

4-溴-2,5-二氟苯胺