spiro,isobenzofuran,piperidin,benzofuran,furan
Isobenzofuran
62548-84-9Hexanedioic acid, polymer with 1,3-dihydro-1,3-dioxo-5-isobenzofurancarboxylic acid, 2,2-dimethyl-1,3-propanediol, 2-ethyl-2-(hydroxymethyl)-1,3-propanediol and 1,3-isobenzofurandione
37317-16-11,3-Benzenedicarboxylic acid,polymer with 1,3-dihydro-1,3-dioxo-5-isobenzofurancarboxylic acid and 1,1-methylenebis(isocyanatobenzene)