1'-(3-(Diethylamino)propyl)-3,4-dihydrospiro(naphthalene-1(2H),3'-pyrrolidine)-2',5'-dione 17592-97-1 N-(gamma-Diethylaminopropyl)-1,2,3,4-tetrahydronaphthalene-1-spirosuccinimide hydrochloride RAC-109 Rac 109 Spiro(naphthalene-1(2H),3'-pyrrole)-2',5'-dione, 1',3,4,4'-tetrahydro-1'-(3-(diethylamino)propyl)-, monohydrochloride