表没食子***素没食子酸酯，没食子***素，没食子***素没食子酸酯(GCG)表没食子***素没食子酸酯EGCG989-51-5HPLC≥99%20mg现货没食子***素(−)-Gallocatechin3371-27-5HPLC≥98%20mg现货没食子***素没食子酸酯(GCG)Gallocatechingallate4233-96-998%,99%20mg现货)