Not Less Than - 95%
N-Propionyl-4-aminophenol; 4-Propionamidophenol; 4'-Hydroxypropionanilide; p-Hydroxypropionanilide; p-Propionamidophenol;N-(4-Hydroxyphenyl)propanamide; N-(4-Hydroxyphenyl)propionamide; Acetaminophen Related Compound B USP);