4,6-二氯-1-乙基-1H-吡唑并[3,4-d]嘧啶

1-ethyl-3,4-dimethylpyrano[2,3-c]pyrazol-6-one

2-ethyl-5-methyl-N-phenylpyrazol-3-amine

2-[amino(ethyl)amino]propanoic acid

5-氨基-1-乙基吡唑-4-羧酸乙酯