A gas chromatographic method for the simultaneous determination of paracetamol(PAR),caffeine(CAF),diphenhydramine hydrochloride(DPH) and ephedrine hydrochloride(EPD) in Compound Paracetamol and Diphenhydramine Tablets has been developed.

• 建立了同时测定复方氨酚苯海拉明片中对乙酰氨基酚(PAR)、咖啡因(CAF)、盐酸苯海拉明(DPH)和盐酸麻黄碱(EPD)的大口径毛细管气相色谱法。