120260-17-5 1H,3H-Difuro(3,4-b:3',4'-e)pyridine-1,7(4H)-dione, 5,8-dihydro-8-(3-chlorophenyl)- 5,8-Dihydro-8-(3-chlorophenyl)-1H,3H-difuro(3,4-b:3',4'-e)pyridine-1,7(4H)-dione BRN 3560961