4-hydroxy-3-[(3,5-difluoro-6-(3-(1-methylimidazol-2-yl)phenoxy)-4-(2,6-dimethoxy-4-(2-(ethoxycarbonyl)ethenyl)phenoxy)pyridin-2-yl)oxy]benzamidine                                                                                                                                                                                                                                                                                                          生成                                                 
4-hydroxy-3-[(3,5-difluoro-6-(3-(1-methylimidazol-2-yl)phenoxy)-4-(2,6-dimethoxy-4-(2-carboxyethenyl)phenoxy)pyridin-2-yl)oxy]benzamidine