3,4,5-Trichloropyridine

3,4,5-三氯吡啶

4′-Fluorobiphenyl-4-sulfonyl chloride

4′- 氟联苯-4-磺酰氯

4-(4-Chlorobutyl)morpholine hydrochloride

4-（4-氯丁基）吗啉 盐酸盐

4-(Thiophen-2-yl)aniline

4-(噻吩-2-基)苯胺

4-Aminotetrahydropyran

4-氨基四氢吡喃

4-Bromo-1-methyl-1H-imidazole

4-溴-1-甲基-1H-咪唑

4-Bromo-3-methoxyphenol

4-Carboxy-2-fluorophenylboronic acid pinacol ester

4-羧基-2-氟苯基硼酸频哪醇酯

4-Cyano-4-(phenylcarbonothioylthio)pentanoic acidN-succinimidyl ester

4-氰基-4-（苯基硫代硫代硫代）戊酸N-琥珀酰亚胺酯

4-Fluoro-2-methylbenzenesulfonamide

4-氟-2-甲基苯磺酰胺

4,4′-Dibromo-2,2′-biphenyldiamine

2,2′-Diamino-4,4′-dibromobiphenyl

4,7-Dihydroxycoumarin

4,7-二羟基香豆素

5-(Ethoxymethyl)furan-2-carboxaldehyde

5-乙氧甲基糠醛

5-Amino-4-bromo-3-methylisoxazole

5-Bromo-2,1,3-benzothiadiazole

5-溴-2,1,3-苯并噻二唑