title: Gas chromatographic determination of dicyclohexylurea in the active esters of amino acids.
mesh_terms: D000596:Amino Acids / Q000032:analysis*; D055598:Chemical Phenomena; D002621:Chemistry; D002849:Chromatography, Gas; D003510:Cyclohexanes / Q000032:analysis; D004952:Esters; D014508:Urea / Q000031:analogs & derivatives* / Q000032:analysis
chemical_list: D000596:Amino Acids; D003510:Cyclohexanes; D004952:Esters; D014508:Urea