1,2-di-2-furylethane-1,2-dione 1,2-ethanedione, 1,2-di-2-furanyl- 492-94-4 InChI=1/C10H6O4/c11-9(7-3-1-5-13-7)10(12)8-4-2-6-14-8/h1-6 furil