4-氯-2-甲基苯胺, 4-Chloro-2-methylaniline

椰子油, Coconut oil

4-溴丁酸乙酯, Ethyl 4-Bromobutyrate

4-氨基咪唑-5-甲酰胺盐酸盐, 4-Amino-5-imidazolecarboxamide hydrochloride

七水硫酸镁, Magnesium sulfate heptahydrate

氰酸钠, Sodium cyanate

4-溴-1-丁烯, 4-Bromo-1-butene

聚(甲基丙烯酸甲酯), Poly(methyl Methacrylate)

4－羟基－3－甲氧基苦杏仁酸, 4-Hydroxy-3-methoxymandelic acid

对甲基苯甲酰氯, p-Toluoyl Chloride