- - Organic compound carbamide
- - Organic compound present in urine
- - Organic compound excreted in urine
- - Nitrogenous compound
- - Compound used as fertilizer
- - Common fertilizer compound
- - Pee compound used in fertilizer
- - Compound in pee
- - Compound found in urine, synthesised as a fertiliser
- - Chemical compound in fertilizers and plastics
- - Compound used in fertilizers
- - Ammonia compound
- - Compound used in plastics
- - Compound used in making plastics
- - Fertilizer compound
- - Chemical compound
- - Organic compound
- - compound used in fertiliser
- - carbamide, crystalline compound
- - Common name for carbamide
- - Acceptable answer about concerning waste product
- - A nitrogenous breakdown product of protein in humans
- - River has a chemical found in pee
- - Government department uncovered waste product
- - Nitrogen-rich soil additive
- - Nitrogen fertilizer
- - Component used as fertilizer
- - Common fertilizer ingredient
- - Carbamide
- - Resin component
- - Powder used in making plastics
- - Nitrogenous waste
- - Leaking substance?
- - Component used in making plastics and fertilizer
- - Chemical in fertilizer
- - Plastics ingredient
- - Fertiliser component
- - Fertilizer ingredient
- - Fertilizer component
- - Fertilizer chemical
- - ....-formaldehyde resins
- - renal waste chemical
- - Labour eagerly reveals number one constituent?
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