Premodifier: polymethyl
Head noun: methacrylate

Same concepts
http://dbpedia.org/resource/Poly(methyl_methacrylate)

Narrower concepts

labelprovenanceconfidence
polyethylene terephthalateisap:2790844760.542710
polypropyleneisap:2790096490.453538
likeisap:3141195160.322921
otherisap:4276832390.228607