1-(substituted benzyl)-5-trifluoromethyl-2-(1H) pyridone compounds and their salts, their preparation methods and use thereof

摘要

1-(Substituted benzyl)-5-trifluoromethyl-2-(1H) pyridone compounds and their pharmaceutical acceptable salts are disclosed. The preparation methods of the compounds and their salts and the use of the same for preparing the medicaments for treating fibrosis are also disclosed. New pyridone compounds and their salts are obtained from trifluoromethyl pyridone as starting material.