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

2,3,6-Trifluorobenzoic Acid

2,3,6-三氟苯甲酸

2,4-Difluoro-α-(1H-1,2,4-triazolyl)acetophenone

2,4-二氟-α-(1H-1,2,4-三唑基)乙酰苯

2,4,6-Trichlorobenzyl alcohol

2,4,6-三氯苯甲醇

2,5-Bis(trifluoromethyl)aniline

2,5-二(三氟甲基)苯胺

2,5-Dihydro-3,6-di-2-thienyl-pyrrolo[3,4-c]pyrrole-1,4-dione

3,6-二(2-噻吩基)-2,5-二氢吡咯并[3,4-c]吡咯-1,4-二酮