Quantum redactiones paginae "Urea" differant
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m bot addit: hr:Urea |
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[[Imago:Urea3D.png|thumb|200 x|[[Molecula]] ureae]]
[[Carbonium|C]][[Oxygenium|O]][[Nitrogenium|N]]<sub>2</sub>[[Hydrogenium|H]]<sub>4</sub>
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