... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > chalcogen molecular entity > oxygen molecular entity > organooxygen compound > ester > phosphoric ester > phosphocholines > SM(d18:2/20:1)

... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > chalcogen molecular entity > organochalcogen compound > organooxygen compound > ester > phosphoric ester > phosphocholines > SM(d18:2/20:1)

... > 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 > phosphocholines > SM(d18:2/20:1)

... > chemical entity > molecular entity > polyatomic entity > heteroatomic molecular entity > oxoacid derivative > phosphorus oxoacid derivative > phosphoric acid derivative > phosphoric ester > phosphocholines > SM(d18:2/20:1)

... > 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 > phosphocholines > SM(d18:2/20:1)

... > chemical entity > molecular entity > polyatomic entity > heteroatomic molecular entity > oxoacid derivative > phosphorus oxoacid derivative > phosphoric acid derivative > organic phosphate > phosphocholines > SM(d18:2/20:1)

... > 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 > organic phosphate > phosphocholines > SM(d18:2/20:1)

... > chemical entity > molecular entity > polyatomic entity > heteroatomic molecular entity > oxoacid derivative > phosphorus oxoacid derivative > phosphoric acid derivative > phosphate > organic phosphate > phosphocholines > SM(d18:2/20:1)

... > 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 > organic phosphate > phosphocholines > SM(d18:2/20:1)

... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > pnictogen molecular entity > phosphorus molecular entity > organophosphorus compound > organic phosphate > phosphocholines > SM(d18:2/20:1)

... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > carbon group molecular entity > organic molecular entity > heteroorganic entity > organophosphorus compound > organic phosphate > phosphocholines > SM(d18:2/20:1)

... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > pnictogen molecular entity > nitrogen molecular entity > ammonium ion derivative > quaternary ammonium ion > cholines > phosphocholines > SM(d18:2/20:1)

... > chemical entity > molecular entity > polyatomic entity > polyatomic ion > polyatomic cation > ammonium ion derivative > quaternary ammonium ion > cholines > phosphocholines > SM(d18:2/20:1)

... > chemical entity > molecular entity > ion > polyatomic ion > polyatomic cation > ammonium ion derivative > quaternary ammonium ion > cholines > phosphocholines > SM(d18:2/20:1)

... > chemical entity > molecular entity > ion > cation > polyatomic cation > ammonium ion derivative > quaternary ammonium ion > cholines > phosphocholines > SM(d18:2/20:1)

... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > carbon group molecular entity > organic molecular entity > organic ion > organic cation > quaternary ammonium ion > cholines > phosphocholines > SM(d18:2/20:1)

... > chemical entity > molecular entity > ion > organic ion > organic cation > quaternary ammonium ion > cholines > phosphocholines > SM(d18:2/20:1)

... > chemical entity > molecular entity > ion > cation > organic cation > quaternary ammonium ion > cholines > phosphocholines > SM(d18:2/20:1)

... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > chalcogen molecular entity > oxygen molecular entity > organooxygen compound > ester > choline ester > phosphocholines > SM(d18:2/20:1)

... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > chalcogen molecular entity > organochalcogen compound > organooxygen compound > ester > choline ester > phosphocholines > SM(d18:2/20:1)

... > 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 > choline ester > phosphocholines > SM(d18:2/20:1)