3-[(6-(5-cyano-2-benzyloxyphenoxy)-3,5-difluoro-4-(4-methylpiperazin-1-yl)pyridin-2-yl)oxy]-N,N-dimethylbenzamide 、
三氟乙酸 生成 4-hydroxy-3-[(3,5-difluoro-6-(3-dimethylaminocarbonylphenoxy)-4-(4-ethoxycarbonylmethylpiperazinyl)pyridin-2-yl)oxy]benzamidine, trifluoroacetic acid salt