"Carbamide" . . . . . . . . "carbamide" . . . . . "urea (or ''carbamide'')" . . . . "granular urea" . . . "Urea#Medical use" . . . . "Carbamide" . . . . "Urea" . . . . "urea derivatives" . . . . "Carbonyldiamide" . "CO(NH₂)₂" . . "urea derivative" . . . . "urea spraying systems" . . . . . . . "Urea#Physiology" . . . . . . . . . . . . . . . . . . . . . . . "Urea#Medical_use" . . . . . . . . "Urea" . . . . "Synthesis of urea" . . . . "urea fertilizer" . . . . . . "Carbonyldiamine" . "blood urea nitrogen" . . "Diaminomethanone" . . . . "Urea" . . . "Urea#Synthesis" . . . . . "Diaminomethanal" . . "Urates" . . "Carbonyl diamide" . "Urals" . . . . . . . . "CH₄N₂O" . . . . . . "urea application" . . "urea" . .