4-methyl-1H-imidazole-5-carbohydrazide

(2Z)-2-amino-2-(hydroxyimino)acetamide

1,2-dimethyl-1H-pyrrole-3-carboxylic acid

methyl 4-bromo-1,3-dimethyl-1H-pyrazole-5-carboxylate

1,3-dimethyl-1H-pyrazole-5-sulfonyl chloride

(S)-3-甲基-5-(2-吡咯烷基)-1,2,4-噁二唑, 3-methyl-5-[(2S)-2-pyrrolidinyl]-1,2,4-oxadiazole

6-chloro-N-methyl-2-pyridinecarboxamide

1-methyl-1H-1,2,3-benzotriazole-4-sulfonyl chloride

4-bromo-5-methyl-3-isoxazolol

3-chloro-1-methyl-1H-1,2,4-triazole

2-氧代-3-甲基丁酸甲酯, methyl 3-methyl-2-oxobutanoate