Crédit image: selfmade by cacycle (en:User:Cacycle), modified on March 31, 2005 from the previous version to add a missing electron pair on the # 3 atom (a nitrogen). H Padleckas 13:42, 31 Mar 2005 (UTC) licence CC BY-SA 3.0 🛈
selfmade by cacycle (en:User:Cacycle),