1,3-Dioxolo(4,5-g)quinoline-7-carbonyl chloride, 5-ethyl-5,8-dihydro-8-oxo- 19658-59-4 5-Ethyl-8-oxo-5,8-dihydro-1,3-dioxolo(4,5-g)quinoline-7-carbonyl chloride BRN 4755706