2-FURALDEHYDE, AZINE 2-Furaldehyde furfurylenehydrazone 2-Furancarboxaldehyde, (2-furanylmethylene)hydrazone 4-17-00-04451 (Beilstein Handbook Reference) 5428-37-5 BRN 0009096 EINECS 226-579-1 Furfuraldazine Furfuraldehyde azine Furfuryl azine