1,4-Bis(2-(4-pyridyl)ethyl)piperazine 14612-98-7 5-23-03-00059 (Beilstein Handbook Reference) BRN 0619190 Bis-1,4-(beta-4-pyridylethyl)piperazine Piperazine, 1,4-bis(2-(4-pyridyl)ethyl)-