label: a 3-methoxy,4-hydroxy-5-all-trans-polyprenylbenzoate + S-adenosyl-L-homocysteine + H(+) => a 3,4-dihydroxy-5-all-trans-polyprenylbenzoate + S-adenosyl-L-methionine
label_lc: a 3-methoxy,4-hydroxy-5-all-trans-polyprenylbenzoate + s-adenosyl-l-homocysteine + h(+) => a 3,4-dihydroxy-5-all-trans-polyprenylbenzoate + s-adenosyl-l-methionine