Determination of three preservatives, cresol, chlorocresol and benzethonium, in drugs by high performance liquid chromatography-ultraviolet (HPLC-UV) detection

Jin Gyun Lee, Sang yeon Shin, Hae jin Shin, Yoonyoung Huh, Seul Ji Lee, Dong Hwan Kim, Sujung Lee, Young Ok Kim, Sang Beom Han, Jeongmi Lee, Jeong Hill Park, Sung Won Kwon