Suggested Reaction 2.1.1.-

Left

3,3',4',5,7,8-Hexahydroxyflavone
+S-Adenosyl-L-methionine

Right

3,3',4',5,7-Pentahydroxy-8-methoxyflavone
+S-Adenosyl-L-homocysteine
+H+

[BiSSCat | GREP ]