Product Methyl (2R,3S)-3-(tert-butoxycarbonylamino)-2-hydroxy-3-phenylpropionate CAS No.: 124605-42-1 Structure formula:   Molecular formula: C15H21NO5 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