104571-62-2 5-Ethyl-5,8-dihydro-8-oxo-1,3-dioxolo(4,5-g)quinoline-7-carboxylic 3-carboxypropylamide BRN 5633817 Butanoic acid, 4-(((5-ethyl-5,8-dihydro-8-oxo-1,3-dioxolo(4,5-g)quinolin-7-yl)carbonyl)amino)-