4′,4″(5″)-Di-tert-butyldicyclohexano-18-crown-6

4′,4″(5″)-二叔丁基二环己烷-18-冠-6

4-(4-Fluorophenoxy)benzaldehyde

4-(4-氟苯氧基)苯甲醛

4-(Bromomethyl)phenylboronic acid

4-（溴甲基）苯硼酸

4-(Hydroxymethyl)phenylboronic Acid Pinacol Ester

4-(羟甲基)苯硼酸频哪醇酯

4-(Trifluoromethyl)benzenesulfonyl Chloride

4-(三氟甲基)苯磺酰氯

4-Acetylbenzoic Acid

4-乙酰苯甲酸

4-Amino-3-nitrophenylboronic acid

4-氨基-3-硝基苯硼酸

4-Boc-1-(6-methyl-2-pyridyl)piperazine

4-Boc-1-(6-甲基-2-吡啶基)哌嗪

4-Bromo-2-methylthiophene

4-溴-2-甲基噻吩

4-Bromobenzenesulfonic acid monohydrate

4-溴苯磺酸 一水合物

4-Butylbenzonitrile

4-N-丁基苯甲腈

4-Chloropyridine N-oxide

4-氯吡啶 N-氧化物

4-Ethoxy-3-nitrobenzaldehyde

4-乙氧基-3-硝基苯甲醛

4-Fluoro-N-methylaniline

4-氟-N-甲基苯胺

4-Hydroxyphenethyl bromide

4-羟基苯乙基溴