6-乙酰基-7-甲基吡唑并[1,5-a]嘧啶-3-甲腈

ethyl 4-acetyl-1-(4-cyanopyrazol-3-yl)pyrrole-2-carboxylate

5-acetyl-3-N-methylanilino-1-(4-cyanopyrazol-3-yl)-2-pyridone

ethyl 6-acetyl-3-cyano-7-[(N-methylanilino)methyl]-1H-pyrazolo[1,5-a]pyrimidine-7-carboxylate

ethyl E-β-N-methyl-anilino-3-cyano-7-methyl-6-pyrazolo[1,5-a]pyrimidineacrylate