Diethylmesoxalat Barbitursure 4-CHLORO-BETA-METHYL-Y-OXO-BENZENEBUTANOIC ACID 1-Ethyl-1,4-dihydro-7-methyl-4-oxo-1,8-naphthyridin-3-carbons?ure Phenylmalonsaeure 5,5-Dimethylcyclohexan-1,3-dion Ethyl-2-oxocyclopentancarboxylat 4-Hydroxy-7-methyl-1,8-naphthyridin-3-carbonsure Hexan-1,6-diol 4,6-Dimethoxypyrimidin-2-amin 7-CHLORO-4-HYDROXY-3-QUINOLINECARBOXYLIC ACID Malons?ure Diethyl-[(m-chloranilino)methylen]malonat