74-89-5
甲胺
+
360056-45-7
4-氨基-1H-吡唑-3-羧酸甲酯
→
~10%
906087-50-1
4-amino-N-methyl-1H-pyrazole-5-carboxamide
360573-34-8
4-nitropyrazole-3-carboxylic acid methyl-amide