1,3-Diaza-2,4-cyclopentadiene 1,3-Diazole 116421-26-2 146117-15-9 1467-16-9 1H-Imidazole 288-32-4 5-23-04-00191 (Beilstein Handbook Reference) 5587-42-8 AI3-24703 BRN 0103853 CCRIS 3345 EINECS 206-019-2 Formamidine, N,N'-vinylene- Glioksal [Polish] Glyoxalin Glyoxaline IMD IMIDAZOLE Imidazol Iminazole Imutex Methanimidamide, N,N'-1,2-ethenediyl- Miazole NSC 51860 NSC 60522 Pyrro(b)monazole USAF EK-4733