IIIVforbindelser

Could you please clarify what you mean by "IIIVforbindelser"? The term is not widely recognized in standard chemical nomenclature. Do you intend:

- III-V compounds (group III–V semiconductors such as GaAs, InP, GaN), or

- II–IV compounds, or

- compounds containing elements with oxidation states II to IV, or another specific concept?

Once you confirm, I can generate a concise, neutral wiki-style article under 300 words.