About: nitrogen base

Premodifier: nitrogen
Head noun: base

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

Broader concepts

label	provenance	confidence

Narrower concepts

label	provenance	confidence
triethylamine	isap:146420341	0.339017
pyrimidine	isap:505096838	0.296226
amine	isap:200604965	0.289651