tetrachlorodibenzofuran,benzofuran,furan
Benzofuran
89403-76-94-Pyridinecarboxylic acid,2-amino-3-cyano-6-(6-hydroxy-4-methoxy-5-benzofuranyl)-, ethyl ester
89403-81-64-Pyridinecarboxylic acid,3-cyano-1,2-dihydro-6-(6-hydroxy-4,7-dimethoxy-5-benzofuranyl)-2-oxo-, ethyl ester