Sigma-Aldrich
4′-Methoxybiphenyl-4-sulfonyl chloride
4′-甲氧基联苯-4-磺酰氯
4-(Dimethyl-13C2-amino)antipyrine
4-(二甲基-13C2-氨基)安替比林
(Cyanomethyl)trimethylammonium iodide
(氰甲基)三甲基碘化铵
4-Bromo-3-methyl-5-phenyl-1H-pyrazole
4-Bromothiophene-3-carbonitrile
4-溴噻吩-3-甲腈
4-Fluoro-2-(1-phenyl-1H-pyrazol-5-yl)phenol acetate
4-氟-2-(1-苯基-1H-吡唑-5-基)苯酚乙酸酯
4-Methyl-3-nitrobenzenesulfonamide
4-甲基-3-硝基苯磺酰胺
4-Oxazolecarboxylic Acid
4-噁唑甲酸
4,6-Dichloro-2-(methylthio)pyrimidine-5-carboxamide
[5-(2-Propynylamino)-9H-benzo[a]phenoxazin-9-ylidene]dimethylammonium chloride
5-Azabenzimidazole
5-氮杂苯并咪唑
5-Bromopyridine-2-thiol
5-溴吡啶-2-硫醇
5-chloroisoquinoline
5-氯异喹啉
5-Phenyl-o-anisidine
5-苯基邻茴香胺
6-(4-Isocyanato-phenoxy)-hexanoic acid 2-[6-(4-isocyanato-phenoxy)-hexanoyloxy]-ethyl ester