27439-44-7 ETHYLENEDIAMINE, N,N-DIMETHYL-N'-(2-PYRIDYL)-N'-(2-PYRIDYLMETHYL)-, HYDROCHLORID Ethylenediamine, N,N-dimethyl-N'-(2-pyridyl)-N'-(2-pyridylmethyl)-, hydrochloride N,N-Dimethyl-N'-(2-picolyl)-N'-(2-pyridyl)ethylenediamine hydrochloride