for the following products
(4S,5R)-3-(N-Benzoyl)-2-(4-anisyl)-4-phenyl-5-oxazolidin carboxylic acid | (4S,5R)-3-Benzoyl-2-(4-methoxyphenyl)-4-phenyl-5-oxazolidine | (4S,5R)-3-Benzoyl-2-(4-methoxyphenyl)-4-phenyloxazolidine-5-carboxylic acid | Paclitaxel side chain acid and (4S,5R)-3-Benzoyl-2-(4-methoxyphenyl)-4-phenyl-5-oxazolidinecarboxylic acid
