20091-89-8 3-(5-(5-Nitro-2-furyl)-2,4-pentadienylidene)dithiocarbazic acid methyl ester BRN 1654496 CARBAZIC ACID, 3-(5-(5-NITRO-2-FURYL)-2,4-PENTADIENYLIDENE)DITHIO-, METHYL ESTER