PACLITAXEL SIDE CHAIN 4;PACLITAXEL SIDE CHAIN NO 4;C-13 SIDE CHAIN FOR PACLITAXEL II;(2R,3S)-1-Benzoyl-2-Hydroxy-3-Aminophenylpionic Acid Ester;METHYL (2R,3S)-3-BENZAMIDO-2-HYDRO-3-PHENYLPROPIONATE;METHYL (2R,3S)-3-BENZAMIDO-2-HYDROXY-3-PHENYLPROPIONATE;N-BENZOYL-(2R,3S)-3-PHENYLISOSERINE METHYL ESTER;PACLITAXE SIDE CHIAN 4