5-17-09-00339 (Beilstein Handbook Reference) 5016-62-6 BRN 1348860 CARBAZIC ACID, 3-(5-NITROFURFURYLIDENE)DITHIO-, METHYL ESTER Methyl 3-(5-nitrofurfurylidene)dithiocarbazate N-(5-Nitro-2-furfurylidene)dithiocarbazic acid methyl ester