About 3,4-Dihydroxyphenylacetic acid
About Homoprotocatechuic acid
About 2-(3,4-Dihydroxyphenyl)acetic acid
About 4-Carboxymethylcatechol
About 4-Carboxymethylpyrocatechol
About (3,4-Dihydroxyphenyl)acetic acid
About adrenergic drug
About neurotransmitter
About biogenic amine
About metabolite
About hydroxy acid
About polyphenol
About carboxylic acid