3-cyclopentyl-2-(6-oxo-4-phenoxy-6H-pyridazin-1-yl)-propionic acid 、
2-氨基噻唑 以afforded 3-cyclopentyl-2-(6-oxo-4-phenoxy-6H-pyridazin-1-yl)-N-thiazol-2-yl-propionamide as a white solid (53.9 mg, 45.3%)的产率得到3-cyclopentyl-2-(6-oxo-4-phenoxy-6H-pyridazin-1-yl)-N-thiazol-2-yl-propionamide