0-27-00-00707 (Beilstein Handbook Reference) 3-FURAZANCARBOXAMIDE, 4-METHYL- 3-Methylfurazan-4-carboxamide 32551-33-0 4-Methyl-3-furazancarboxamide Amide dell' acido 3-metil-4-furazancarbossilico [Italian] BRN 0118699 NSC 234498