Cabazitaxel
1-HYDROXY-7.BETA.,10.BETA.-DIMETHOXY-9-OXO-5.BETA.,20-EPOXYTAX-11-ENE-2.ALPHA.,4,13.ALPHA.-TRIYL 4-ACETATE 2-BENZOATE 13-((2R,3S)-3-(((TERT-BUTOXY)CARBONYL)AMINO)-2-HYDROXY-3-PHENYLPROPANOATE)