(E)-1,2,5,6-Tetrahydro-1-butyl-3-pyridinecarboxaldehyde O-methyloxime, monohydrochloride 139886-07-0 3-Pyridinecarboxaldehyde, 1,2,5,6-tetrahydro-1-butyl-, O-methyloxime, monohydrochloride, (E)-