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'''Urea''' est substantia [[Chemica Organica|organica]], cuius formula est:
:[[Carbonium|C]][[Oxygenium|O]][[Nitrogenium|N]]<sub>2</sub>[[Hydrogenium|H]]<sub>4</sub>▼
▲[[Carbonium|C]][[Oxygenium|O]][[Nitrogenium|N]]<sub>2</sub>[[Hydrogenium|H]]<sub>4</sub>
▲Primum anno [[1828]] [[urea]]m artificiose creavit [[chemia| chemicus]] [[Germania|Germanicus]]. [[Fridericus Wöhler]].
{{chem-stipula}}
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