[Chemical studies on amino acids and peptides. I. Synthesis of L-a-amino acid choline esters (author's transl)].
D000596:Amino Acids / Q000138:chemical synthesis*; D002794:Choline / Q000031:analogs & derivatives* / Q000138:chemical synthesis; D004952:Esters
D000596:Amino Acids; D004952:Esters; D002794:Choline