2,5-二甲基吡嗪, 2,5-Dimethylpyrazine

2-(Methylthio)-3-ethylpyrazine

2-乙基-3-(甲硫基)吡嗪

2-Ethoxythiazole

2-乙氧基噻唑

2-Methyl-2-pentenoic Acid

2-甲基-2-戊烯酸

2-Bromo-4-fluoroanisole

2-溴-4-氟苯甲醚

Silver(I) fluoride

氟化银

Vanadium(IV) fluoride

氟化钒(IV)

1-(Aminoformylmethyl)pyridinium chloride

1-(氨基甲酰甲基)氯化吡啶

5-(Ethylthio)-1H-tetrazole

5-乙硫基-1H-四唑

2-Iodo-m-xylene

2-碘间二甲苯

4,6-Dihydroxypyrimidine

4,6-二羟基嘧啶

2-Bromobenzoic Acid

2-溴苯甲酸

2-Bromo-1-indanol

2-溴-1-吲哚醇

2-甲硫乙醇, 2-(Methylthio)ethanol

3-Bromo-1,1,1-trifluoro-2-butanone

2-(三氟甲基)丙烯酸