1-Ethyl-4-nitro-1H-pyrazole-5-carboxylic acid

7-Difluoromethyl-5-methyl-[1,2,4]triazolo[1,5-a]pyrimidine-2-carboxylic acid

1,5-Dimethyl-1H-pyrazole-4-carboxylic acid

1,5-二甲基-1H-吡唑-4-羧酸

4-Butoxy-benzoic acid hydrazide

5-Bromo-thiophene-2-carboxylic acid hydrazide

5-溴-噻吩-2-羧酸酰肼

2-Pyridin-4-ylquinoline-4-carboxylic acidhydrazide

4-Chloro-1,3-dimethyl-1H-pyrazole-5-carboxylic acid hydrazide

3-Ethoxy-4-isopropoxybenzoic acid

4-(2-Methoxyphenoxymethyl)benzoic acid

Hex-5-ynoyl chloride

5-己炔酰氯

2,4-Dimethyl-benzoyl chloride

2,4-二甲基苯甲酰氯