nitro,benzofuran,carbaldehyde,furan
Benzofuran
64653-86-71,3-Benzenedicarboxylic acid, polymer with 2,2-dimethyl-1,3-propanediol, hexanedioic acid and 1,3-isobenzofurandione
70729-94-11,4-benzenedicarboxylic acid, polymer with1,3-dihydro-1,3-dioxo-5-isobenzofurancarboxylic acid, hexanedioic acidand 1,2-propanediol