4-farnesyl-3,5-dihydroxy-6-methoxylphthalide + S-adenosyl-L-homocysteine + H(+) => 4-farnesyl-3,5-dihydroxy-6-methylphthalide + S-adenosyl-L-methionine
4-farnesyl-3,5-dihydroxy-6-methoxylphthalide + s-adenosyl-l-homocysteine + h(+) => 4-farnesyl-3,5-dihydroxy-6-methylphthalide + s-adenosyl-l-methionine
4-farnesyl-3,5-dihydroxy-6-methoxylphthalide + S-adenosyl-L-homocysteine + H(+) => 4-farnesyl-3,5-dihydroxy-6-methylphthalide + S-adenosyl-L-methionine
4-farnesyl-3,5-dihydroxy-6-methoxylphthalide + s-adenosyl-l-homocysteine + h(+) => 4-farnesyl-3,5-dihydroxy-6-methylphthalide + s-adenosyl-l-methionine