3528-58-3
5-氨基-1-乙基吡唑
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59060-16-1
4-氯-1-乙基-1H-吡唑[3,4-b]吡啶-5-羧酸
26823-99-4
Propanedioic acid, [[(1-ethyl-1H-pyrazol-5-yl)amino]methylene]-, diethylester
30720-25-3
4-氯-1-乙基-1H-吡唑[3,4-b]吡啶-5-羧酸乙酯