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