3-cyclopentyl-2-(6-oxo-6H-pyridazin-1-yl)-propionic acid 、
N-甲基-3-氨基吡唑 以afforded 3-cyclopentyl-N-(1-methyl-1H-pyrazol-3-yl)-2-(6-oxo-6H-pyridazin-1-yl)-propionamide as a white solid (37.1 mg, 36%)的产率得到3-cyclopentyl-N-(1-methyl-1H-pyrazol-3-yl)-2-(6-oxo-6H-pyridazin-1-yl)-propionamide