4027-57-0
3-甲基吡唑-5-甲酸乙酯
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68375-44-0
4-amino-N,5-dimethyl-1H-pyrazole-3-carboxamide
696-22-0
5-甲基-3-吡唑甲酸
1352043-29-8
5334-38-3
3-甲基-4-硝基-1H-吡唑-5-羧酸
68375-43-9
N,5-dimethyl-4-nitro-1H-pyrazole-3-carboxamide