The structures of five cyclic diketones isolated from coffee.
D055598:Chemical Phenomena; D002621:Chemistry; D003069:Coffee; D003510:Cyclohexanes; D003517:Cyclopentanes; D007659:Ketones; D013057:Spectrum Analysis
D003069:Coffee; D003510:Cyclohexanes; D003517:Cyclopentanes; D007659:Ketones