2-Butenylmagnesium chloride solution

2-丁烯基氯化镁 溶液

2-Chloro-4,4,5,5-tetramethyl-1,3,2-dioxaphospholane

2-氯-4,4,5,5-四甲基-1,3,2-二氧磷杂环戊烷

2-Ethyl-2-phenylmalonamide monohydrate

2-乙基-2-苯基丙二酰胺 一水合物

2-Fluorostyrene

2-氟苯乙烯

2-Methoxy-4-nitrobenzaldehyde

2-甲氧基-4-硝基苯甲醛

2-Methyl-5-benzothiazolol

2-甲基-5-苯并噻唑醇

2-Oxooctanoic acid

2-氧代辛酸

2,2′-Difluorobiphenyl

2,2′-二氟联苯

2,2,2-Trifluoroethylp-toluenesulfonate

2,2,2-三氟乙基对甲苯磺酸酯

2,3-Difluorobenzoic Acid

2,3-二氟苯甲酸