Synonyms: Dimethylaminoethyl 7,9-dimethyl-2-oxo-1-oxa-3-azaspiro(4.5)decane-3-carboxylate fumarate;1-Oxa-3-azaspiro(4.5)decane-3-carboxylic acid, 7,9-dimethyl-2-oxo-, 2-(dimethylamino)ethyl ester, fumarate, hydrate, (Z)-;AC1O625Y;LS-98593;(E)-but-2-enedioic acid; 2-dimethylaminoethyl (7R,9S)-7,9-dimethyl-3-oxo-4-oxa-2-azaspiro[4.5]decane-2-carboxylate;24191-83-1