6α-hydroxy Taxol; βS-(benzoylamino)-αR-hydroxy-(2aR,3S,4R,4aS,6R,9S,11S,12S,12aR,12bS,)-6,12b-bis(acetyloxy)-12-(benzoyloxy)-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-3,4,11-trihydroxy-4a,8,13,13-tetramethyl-5-oxo-7,11-methano-1H-cyclodeca[3,4]benz[1,2-b]oxet-9-yl ester-benzenepropanoic acid