2-Furaldehyde, 5-vinyl-, polymers (8CI) 2-Furancarboxaldehyde, 5-ethenyl-, homopolymer (9CI) 32630-50-5 5-Ethenyl-2-furancarboxaldehyde homopolymer 5-Vinyl-2-furaldehyde polymers Poly(vinylfurfural) Polyvinylfurfural