Product (4S, 5R) -3 - tert-Butoxycarbonyl-2 ,2 - 2 - 4 - phenyl-oxazolidine -5-- acid CAS No.: 143527-70-2 Structure formula:   Molecular formula: C17H23NO5 Specification: ≥98% Use: Docetaxel side chain Packing: According to the customers' requirements

　If API involve the patent, it can only used for research, but can be provide as commercially intermediates