6-{3-[7-Fluoro-2-(4-fluoro-benzyl)-3-oxo-2,3-dihydro-1H-isoindol-1-yl]-propionylamino}-nicotinic acid 、
ethyl 3-(6-aminopyridine-3-yl)acrylate 生成 3-(6-{3-[7-Fluoro-2-(4-fluoro-benzyl)-3-oxo-2,3-dihydro-1H-isoindol-1-yl]-propionylamino}-pyridin-3-yl)-acrylic acid ethyl ester