3,8-Diazabicyclo(3.2.1)octane, 3-(3'-(phenyl)propyl)-8-propionyl- 3-Phenethylmethyl-8-propionyl-3,8-diazabicyclo(3.2.1)octane 5-23-03-00470 (Beilstein Handbook Reference) 63990-14-7 BRN 0537504