Contamination of commercial p-aminohippuric acid with p-aminobenzoic acid.
D010129:4-Aminobenzoic Acid; D004340:Drug Contamination; D006801:Humans; D010130:p-Aminohippuric Acid
D010129:4-Aminobenzoic Acid; D010130:p-Aminohippuric Acid
ACID/p-aminobenzoic