Item:Q11623: Difference between revisions
Created claim: subclass of (P1): organonitrogen compound (Q3242) |
Created claim: has part(s) of the class (P9): quaternary ammonium cation (Q11622) |
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Property / has part(s) of the class | |||
Property / has part(s) of the class: quaternary ammonium cation / rank | |||
Normal rank |