Aspirin is a white,crystalline compound,CH3COOC6H4COOH,derived from salicylic acid and commonly used in tablet form to relieve pain and reduce fever and inflammation.

• 阿司匹林，乙醯水杨酸是一种从水杨酸中提取的白色晶体化合物，CH3COOC6H4COOH，常以片剂的方式用于减轻疼痛，退烧和消炎。