title: [4-Morpholyl ester as an activated ester in peptide synthesis].
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D004952:Esters; D009025:Morpholines; D010455:Peptides / Q000138:chemical synthesis*
chemical_list: D004952:Esters; D009025:Morpholines; D010455:Peptides