Suggested Reaction 2.1.1.-

Left

2-Hexaprenyl-6-methoxy-1,4-benzoquinone
+S-Adenosyl-L-methionine

Right

2-Hexaprenyl-3-methyl-6-methoxy-1,4-benzoquinone
+S-Adenosyl-L-homocysteine

[BiSSCat | GREP ]