5-Ethyl-8-oxo-5,8-dihydro-1,3-dioxolo(4,5-g)quinoline-7-carboxylic 1-carboxyethylamide 79721-05-4 BRN 5628930 L-Alanine, N-((5,8-dihydro-5-ethyl-8-oxo-1,3-dioxolo(4,5-g)quinolin-7-yl)carbonyl)-