1,3-Dioxolo(4,5-g)quinoline-7-carboxylic acid, 5,8-dihydro-5-ethyl-8-oxo-, 2-(dimethylamino)ethyl ester, hydrochloride 2-(Dimethylamino)ethyl 5-ethyl-8-oxo-5,8-dihydro-1,3-dioxolo(4,5-g)quinoline-7-carboxylate hcl JI5058000