9β-13-O-[(2R,3S)-3-(tert-butyloxycarbonylamino)-2-hydroxyl-3-phenylpropionyl]-10-deacetyl-9-dihydro-9,10-O-[2-N-(S)-(2-pyrrolidin-1-methyl)-piperidineethylidene]baccatin III
9β-13-O-[(2R,3S)-3-(tert-butyloxycarbonylamino)-2-hydroxyl-3-phenylpropionyl]-10-deacetyl-9-dihydro-9,10-O-[2-N-(S)-(2-pyrrolidin-1-methyl)-piperidineethylidene]baccatin III