1,4-Bis(2-(2-pyridyl)ethyl)piperazine 14549-75-8 5-23-03-00058 (Beilstein Handbook Reference) BRN 0619189 Bis-1,4-(beta-2-pyridylethyl)piperazine NSC 107316 Piperazine, 1,4-bis(2-(2-pyridinyl)ethyl)- (9CI) Piperazine, 1,4-bis(2-(2-pyridyl)ethyl)-