2',7,10-Tris(triethylsilyl)docetaxel-d5; [2aR-[2aα,4β,4aβ,6β,9α(αR*,βS*),11α,12α,12aα,12bα]]-β-[[(1,1-Dimethylethoxy)carbonyl]amino]-α-[(triethylsilyl)oxy]-benzenepropanoic-d5 Acid 12b-(Acetyloxy)-12-(benzoyloxy)-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-11-hydroxy-4a,8,13,13-tetramethyl-5-oxo-4,6-bis[(triethylsilyl)oxy]-7,11-methano-1H-cyclodeca[3,4]benz[1,2-b]oxet-9-yl Ester

Used in the preparation of Paclitaxel (P132500) derivatives.