1H-Tetrazole-5-acetic acid

1H-四唑-5-乙酸

2-(Trifluoromethyl)-1,4-phenylenediamine

2,5-二氨基三氟甲苯

2-Nitro-5-pyridineboronic acid pinacol ester

2-硝基-5-吡啶硼酸频哪醇酯

2-Thienyl-N,N-bis(2-thienylmethylene)methanediamine

2-噻吩基-N,N-双(2-噻吩亚甲基)甲烷二氨

2,2-Bis(3-amino-4-hydroxyphenyl)hexafluoropropane

2,2-双(3-氨基-4-羟基苯基)六氟丙烷

2,2,6,6-Tetramethyl-4-[1-oxo-6-(triethylammonio)hexylamino]-1-piperidinyloxy bromide

2,2,6,6-四甲基-4- [1-氧代-6-（三乙铵）己氨基] -1-哌啶基氧基溴化物

2,3-Difluorophenylacetic Acid

2,3-二氟苯乙酸

2,4-Dichloro-5-methoxypyrimidine

2,4-二氯-5-甲氧基嘧啶

2,4,5-Trifluorobenzoic Acid

2,4,5-三氟苯甲酸

2,5-Dibromo-3,4-dinitrothiophene

2-Fluoro-4-nitroanisole

2-氟-4-硝基苯甲醚

2-Hexylthiophene

2-正己基噻吩

2-Hydroxyphenethyl alcohol

2-羟基苯乙醇

2-Isobutylthiazole

2-异丁基噻唑

2-Methoxy-3-pyridinecarboxaldehyde

2-甲氧基-3-吡啶醛