国家科技部重大新药创制专项课题2010ZX09102-216;国家自然科学基金面上项目81273718;国家自然科学基金青年基金项目81102587 Fund projects:Special subject of great new drugs creation of National Sci-tech Dep.2010ZX09102-216;program of National Natural Scientific Foundation81273718;program of Youth Foundation of National Natural Scientific Fund81102587