1-Methyl-1,6-dihydro-2-pyridinecarboxaldehyde oxime hydrochloride 1-Methyl-1,6-dihydropicolinaldehyde oxime hydrochloride 57619-29-1 N-Methyl-1,6-dihydropyridine-2-carbaldoxime hydrochloride Picolinaldehyde, 1,6-dihydro-1-methyl-, oxime, hydrochloride Pro-Pam