Urea: Organic Compound, Amine, Carbonyl

Carbon: Allotropes of carbon, Triple alpha process, CNO cycle, Carbon Organic compound,...

Pyrazine,Organic Compound: Heterocyclic, Organic Compound, Aromatic, Point Group, Folic Acid, Pterin, Polymorphonuclear Leukocytes

Ribose: Organic Compound, Monosaccharide, Hydroxyl, Fischer Projection

Pemaco Maywood: Organochloride, Volatile Organic Compound, Trichloroethylene