Premodifier: tetraethylene
Head noun: glycol

Same concepts
http://dbpedia.org/resource/Polyethylene_glycol

Broader concepts

labelprovenanceconfidence
polyethylene glycolisap:3933319130.817400
glycolisap:3933318790.600909
polyolisap:3867185270.327566

Narrower concepts

labelprovenanceconfidence
diphenyl carbonateisap:1325628640.289937
phosgeneisap:4807533750.098355