表儿茶素; 2-(3,4-羟基苯基)-3,4-二氢-2H-1-苯并吡喃-3,5,7-三醇; EC;2-(3,4-Dihydroxyphenyl)-3,4-dihydro-2H-1-benzopyran-3,5,7-triol;L-Epicatechin 参考资料：http://www.chemyq.com/xz/xz9/87397eihpy.htm
表儿茶素;2-(3,4-羟基苯基)-3,4-二氢-2H-1-苯并吡喃-3,5,7-三醇;EC;2-(3,4-Dihydroxy...