Chromatographic behaviour of ureas, thioureas, biuret derivatives and related compounds.
D055598:Chemical Phenomena; D002621:Chemistry; D002845:Chromatography; D006571:Heterocyclic Compounds / Q000032:analysis*; D013890:Thiourea / Q000032:analysis*; D014508:Urea / Q000032:analysis*
D006571:Heterocyclic Compounds; D014508:Urea; D013890:Thiourea