1-(4-(Hexahydro-4,7-methanoisoindolin-2-yl)-2-butynyl)-2-pyrrolidinone 14053-10-2 2-Pyrrolidinone, 1-(4-(hexahydro-4,7-methanoisoindolin-2-yl)-2-butynyl)- 5-21-06-00371 (Beilstein Handbook Reference) BRN 1478843