117860-60-3
1-methyl-3-benzyloxy-carbonylamino-pyrazole-5-carboxylic acid
→
117860-54-5
3-氨基-1-甲基-1H-吡唑-5-羧酸
117860-58-9
methyl 2-methyl-5-(phenylmethoxycarbonylamino)pyrazole-3-carboxylate