... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > pnictogen molecular entity > nitrogen molecular entity > amide > primary amide > phosphoramide > phosphoramidate ester

... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > chalcogen molecular entity > oxygen molecular entity > organooxygen compound > ester > phosphoric ester > phosphoramidate ester

... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > chalcogen molecular entity > organochalcogen compound > organooxygen compound > ester > phosphoric ester > phosphoramidate ester

... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > carbon group molecular entity > organic molecular entity > heteroorganic entity > organochalcogen compound > organooxygen compound > ester > phosphoric ester > phosphoramidate ester

... > chemical entity > molecular entity > polyatomic entity > heteroatomic molecular entity > oxoacid derivative > phosphorus oxoacid derivative > phosphoric acid derivative > phosphoric ester > phosphoramidate ester

... > 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 > phosphoric ester > phosphoramidate ester