4,6-dihydroxy-2-(hydroxymethyl)-3-methylbenzoate + H(+) <=> 5,7-dihydroxy-4-methylphthalide + H2O
4,6-dihydroxy-2-(hydroxymethyl)-3-methylbenzoate + h(+) <=> 5,7-dihydroxy-4-methylphthalide + h2o
4,6-dihydroxy-2-(hydroxymethyl)-3-methylbenzoate + H(+) <=> 5,7-dihydroxy-4-methylphthalide + H2O
4,6-dihydroxy-2-(hydroxymethyl)-3-methylbenzoate + h(+) <=> 5,7-dihydroxy-4-methylphthalide + h2o