3,8-DIAZABICYCLO(3.2.1)OCTANE, 3-(2'-(BENZOYL)ETHYL)-8-PROPIONYL- 3-(Phenacylmethyl)-8-propionyl-3,8-diazabicyclo(3.2.1)octane 5-23-03-00476 (Beilstein Handbook Reference) 63978-11-0 BRN 0543928