3,8-Diazabicyclo(3.2.1)octane, 3-ethyl-8-propionyl- 3-Ethyl-8-propionyl-3,8-diazabicyclo(3.2.1)octane 5-23-03-00465 (Beilstein Handbook Reference) 63977-72-0 BRN 0609471