2-Butyl-4-chloro-5-(hydroxymethyl)imidazole

2-丁基-4-氯-5-(羟甲基)咪唑

2-Chloro-5-fluoropyridine

2-氯-5-氟吡啶

2-Fluoro-3-(trifluoromethyl)phenol

2-氟-3-(三氟甲基)苯酚

2-Formylphenylboronic Acid Pinacol Ester

2-甲酰基苯基硼酸频哪醇酯

2-Methoxybenzothiazole

2-甲氧基苯并噻唑

2-Methyloxazole-4-carboxaldehyde

2-甲基噁唑-4-甲醛

2-Pentadecanone

2-十五烷酮

2,2′-Dipyridyl N-oxide

2,2'-联吡啶 N -氧化物

2,2,4,4-Tetramethyl-1,3-cyclobutanediol, mixture of isomers

2,2,4,4-四甲基-1,3-环丁二醇，异构体混合物

2,3-Difluoropyridine

2,3-二氟吡啶