Standards; Pharmaceutical/API Drug Impurities/Metabolites;
应用:
(3S,6R,7S,8S)-11-((2R,3S)-3-((S,E)-2-Azido-3-methyl-4-(2-methylthiazol-4-yl)but-3-en-1-yl)-2-methyloxiran-2-yl)-3,7-dihydroxy-4,4,6,8-tetramethyl-5-oxoundecanoic acid is an impurity of ixabepilone (I941990), which is an anti-tumor agent used in the treatment of patients suffering from solid tumors, such as metastatic breast cancer.