1,4-Bis(beta-2-pyridylethyl)-hexahydro-1H-1,4-diazepine 14549-76-9 1H-1,4-DIAZEPINE, HEXAHYDRO-, 1,4-BIS(2-(2-PYRIDYL)ETHYL)- BRN 0548520 Bis-1,4-(beta-2-pyridylethyl)homopiperazine