Suggested Reaction 2.1.1.-

Left

3',4',5,7-Tetrahydroxy-3-methoxyflavone
+S-Adenosyl-L-methionine

Right

3',4',5-Trihydroxy-3,7-dimethoxyflavone
+S-Adenosyl-L-homocysteine

[BiSSCat | GREP ]