... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > pnictogen molecular entity > nitrogen molecular entity > ammonium compound > organoammonium salt > quaternary ammonium salt > quaternium-52

... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > pnictogen molecular entity > nitrogen molecular entity > organonitrogen compound > quaternary nitrogen compound > quaternary ammonium salt > quaternium-52

... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > carbon group molecular entity > organic molecular entity > heteroorganic entity > organonitrogen compound > quaternary nitrogen compound > quaternary ammonium salt > quaternium-52

... > chemical entity > molecular entity > polyatomic entity > heteroatomic molecular entity > oxoacid derivative > phosphorus oxoacid derivative > phosphoric acid derivative > phosphate > phosphate salt > quaternium-52

... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > pnictogen molecular entity > phosphorus molecular entity > phosphorus oxoacids and derivatives > phosphorus oxoacid derivative > phosphoric acid derivative > phosphate > phosphate salt > quaternium-52