67049-81-4 CARBAMIC ACID, DIMETHYL-, (2-((N-BENZYL-N-METHYLAMINO)METHYL)-3-PYRIDYL) ESTER, Carbamic acid, dimethyl-, (2-((N-benzyl-N-methylamino)methyl)-3-pyridyl) ester, dihydrochloride Ro 2-2255