... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > chalcogen molecular entity > oxygen molecular entity > organooxygen compound > ether > poly(ether) macromolecule

... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > chalcogen molecular entity > organochalcogen compound > organooxygen compound > ether > poly(ether) macromolecule

... > 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 > ether > poly(ether) macromolecule

chemical entity > molecular entity > polyatomic entity > macromolecule > poly(ether) macromolecule