p. 10331 - 10338
(2007/10/02)p. 534 - 538
(2007/10/02)1H-4-hydroxy-2-oxo-1,2-dihydroquinoline-3-carboxylic acid propylamide
4-Hydroxy-2-oxo-1,2-dihydro-quinoline-3-carboxylic acid ethylamide
4-hydroxyquinol-2-one-3-carboxylic acid n-butylamide
4-hydroxyquinol-2-one-3-carboxylic acid methylamide
N,N'-di-2-carboethoxyanilide of malonic acid