2-[4-(2,6-difluoro-phenoxy)-6-oxo-6H-pyridazin-1-yl]-3-(2,6-difluoro-phenyl)-propionic acid 、
(R)-1-((2,2-Dimethyl-1,3-dioxolan-4-yl)methyl)-1H-pyrazole-3-amine 以afforded 2-[4-(2,6-difluoro-phenoxy)-6-oxo-6H-pyridazin-1-yl]-3-(2,6-difluoro-phenyl)-N-[1-((R)-2,2-dimethyl-[1,3]dioxolan-4-ylmethyl)-1H-pyrazol-3-yl]-propionamide as an off-white solid的产率得到2-[4-(2,6-difluoro-phenoxy)-6-oxo-6H-pyridazin-1-yl]-3-(2,6-difluoro-phenyl)-N-[1-((R)-2,2-dimethyl-[1,3]dioxolan-4-ylmethyl)-1H-pyrazol-3-yl]-propionamide