Ibuprofen
C₁₃H₁₈O₂·206.285 g/mol·Pharmaceutical·CID 3672
DrugAnti-inflammatoryChiral
A propionic acid derivative NSAID (non-steroidal anti-inflammatory drug). Reversibly inhibits COX-1 and COX-2. Exists as R and S enantiomers — only S-(+)-ibuprofen is pharmacologically active, but the body converts R to S.