1,8-Bis((2R,3R)-3,5,7-trihydroxy-2H-1-benzopyran-2-yl)-3,4,6-trihydroxy-5H-benzocyclohepten-5-one 1,8-Bis(3-alpha,5,7-trihydroxy-2-alpha-chromanyl)-5H-benzocyclohepten-5-one 4670-05-7 5H-Benzocyclohepten-5-one, 1,8-bis((2R,3R)-3,5,7-trihydroxy-2H-1-benzopyran-2-yl)-3,4,6-trihydroxy- 5H-Benzocyclohepten-5-one, 1,8-bis(3-alpha,5,7-trihydroxy-2-alpha-chromanyl)-3,4,6-trihydroxy- Theaflavin Theaflavine