About: ammonium group

Premodifier: ammonium
Head noun: group

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

Broader concepts

label	provenance	confidence
cationic group	isap:375008525	0.602891
amine	isap:371087911	0.325379

Narrower concepts

label	provenance	confidence
quaternary ammonium group	isap:375007600	0.650975
m	isap:131038019	0.219908