Premodifier: r
Head noun: group

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

Narrower concepts

labelprovenanceconfidence
r2isap:4653507050.374522
risap:1314680230.302071
methylisap:1132267480.269537
ethylisap:3767020970.268382
phenylisap:1192101420.262127
hydroxyisap:367169860.209209
hydrogenisap:3629800970.204441