1-OXASPIRO(4.5)DEC-3-ENE-4-CARBOXYLIC ACID, 3-METHYL-2-OXO-, 2-(DIETHYLAMINO)ETH 1-Oxaspiro(4.5)dec-3-ene-4-carboxylic acid, 3-methyl-2-oxo-, 2-(diethylamino)ethyl ester, hydrochloride 85540-57-4 N-Diethylamino oxycarbonyle-3 spirolactone chlorhydrate [French]