3943-74-6 4-Hydroxy-3-methoxybenzoic acid methyl ester Benzoic acid, 4-hydroxy-3-methoxy-, methyl ester Methyl 3-methoxy-4-hydroxybenzoate Methyl 4-hydroxy-3-methoxybenzoate Methyl vanillate NSC74385 Vanillic acid methyl ester Vanillic acid, methyl ester