About: crown ether

Premodifier: crown
Head noun: ether

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

Broader concepts

label	provenance	confidence
phase-transfer catalyst	isap:292826465	0.607325
compound	isap:297064513	0.505069
structure	isap:338885632	0.495945
agent	isap:375211723	0.495663
macrocycle	isap:259112613	0.420934
addition	isap:291767326	0.361876
example	isap:225592932	0.286523

Narrower concepts

label	provenance	confidence
chelating agent	isap:368878246	0.378200
crown	isap:366056518	0.331543
agent	isap:368878249	0.272858