1,7-Dioxo-8-(4'-chlorophenyl)-1,3,5,7-tetrahydro(difuro)(3,4-b,3',4'-e)pyridine 120260-23-3 1H,3H-Difuro(3,4-b:3',4'-e)pyridine-1,7(5H)-dione, 8-(4-chlorophenyl)- 8-(4-Chlorophenyl)-1H,3H-difuro(3,4-b:3',4'-e)pyridine-1,7(5H)-dione BRN 3560085