Keywords: متیل تام بوتیل اتر; DCX; docetaxel; PK; phamacokinetic; PD; pharmacodynamic; HPLC; high-performance liquid chromatography; UV; ultraviolet; MS/MS; tandem mass spectrometry; UPLC; ultra-performance liquid chromatography; MTBE; methyl t-butyl ether; LC; liquid chromatography;