About Homovanillic acid
About 3-Methoxy-4-hydroxyphenylacetic acid
About 4-Hydroxy-3-methoxyphenylacetic acid
About 4-Hydroxy-3-methoxybenzeneacetic acid
About HVA
About 3-Methoxy-4-hydroxybenzeneacetic acid
About carboxylic acid
About phenol ether
About phenolic compound