ChEBI: 3-acetamido-4-hydroxybenzoic acid is a monohydroxybenzoic acid that is 4-hydroxybenzoic acid in which the hydrogen at position 3 has been replaced by an acetamido group. It is a monohydroxybenzoic acid and a N-acetylarylamine. It is functionally related to a 3-amino-4-hydroxybenzoic acid. It is a conjugate acid of a 3-acetamido-4-hydroxybenzoate.