3-cyclopentyl-2-(6-oxo-4-phenoxy-6H-pyridazin-1-yl)-propionic acid 、
5-氨基-3-甲基-1,2,4-噻二唑 以afforded 3-cyclopentyl-N-(3-methyl-[1,2,4]thiadiazol-5-yl)-2-(6-oxo-4-phenoxy-6H-pyridazin-1-yl)-propionamide as a white solid (23.8 mg, 12.1%)的产率得到3-cyclopentyl-N-(3-methyl-[1,2,4]thiadiazol-5-yl)-2-(6-oxo-4-phenoxy-6H-pyridazin-1-yl)-propionamide