1,4-Bis[2-(2-pyridyl)ethyl]piperazine 14549-75-8 Bis-1,4-(.beta.-2-pyridylethyl)piperazine NSC107316 Piperazine, 1,4-bis[2-(2-pyridinyl)ethyl]- Piperazine, 1,4-bis[2-(2-pyridyl)ethyl]-