3,8-Diazabicyclo(3.2.1)octane, 3-diphenylmethyl-8-propionyl- 3-Diphenylmethyl-8-propionyl-3,8-diazabicyclo(3.2.1)octane 5-23-03-00471 (Beilstein Handbook Reference) 63977-68-4 BRN 0565215