biphenyl,carboxamide,furanylmethyl,furan
Furan
69518-72-51H,3H-Benzo[1,2-c:4,5-c']difuran-1,3,5,7- tetrone,polymer with bis(4-aminophenyl)methanone and 5,5'-carbonylbis[1,3-isobenzofurandione]
69531-41-51,3-Isobenzofurandione, 5,5-(2,2,2-trifluoro-1-(trifluoromethyl)ethylidene)bis-, polymer with 1,4-benzenediamine and 4,4-oxybis(benzenamine)