Premodifier: alpha-methyl
Head noun: styrene

Same concepts
http://dbpedia.org/resource/Alpha-Methylstyrene

Broader concepts

labelprovenanceconfidence
alkylate styreneisap:4351443950.787064
monomerisap:4285360600.564089
derivativeisap:2428969330.351792

Narrower concepts

labelprovenanceconfidence