(+-)-1'-(3-Morpholinopropyl)-3,4-dihydrospiro(naphthalene-1(2H),3'-pyrrolidine)-2',5'-dione 74246-84-7 BRN 1164458 Spiro(naphthalene-1(2H),3'-pyrrolidine)-2',5'-dione, 3,4-dihydro-1'-(3-morpholinopropyl)-, (+-)-