4-(Hydroxyiminomethyl)pyridine 4-Pyridine aldoxime 4-Pyridinecarboxaldehyde, oxime 696-54-8 CCRIS 7744 EINECS 211-796-6 ISONICOTINALDEHYDE, OXIME Isonicotinaldehyde oxime Isonicotinaldoxime NSC 63847 Pyridine, 4-formyl-, oxime Pyridine-4-aldoxime