2,2,2-Trifluoro-2′,4′-dimethoxyacetophenone

2,2,2-三氟-2′,4′-二甲氧基苯乙酮

2,3-Dichlorobenzoic Acid

2,3-二氯苯甲酸

2,3,5-Trichlorobenzoic acid

2,3,5-三氯苯甲酸

2,4-Dichloro-5-fluoropyrimidine

2,4-二氯-5-氟嘧啶

2,4,5-Trifluorobenzaldehyde

2,4,5-三氟苯甲醛

2,4,6-Trimethylbenzoyl Chloride

2,4,6-三甲基苯甲酰氯

2,5-Dichloro-1,4-benzoquinone

2,5-二氯-1,4-苯醌

2,6-Bis(chloromethyl)pyridine

2,6-双(氯甲基)吡啶

2,6-Dimethoxyanilino(oxo)acetic acid

3′,5′-Difluoroacetophenone

3′,5′-二氟苯乙酮