20091-90-1 Carbazic acid, 3-(2-methyl-3-(5-nitro-2-furyl)allylidene)dithio-, methyl ester Methyl 3-(2-methyl-3-(5-nitro-2-furyl)allylidene)dithiocarbazate N-(alpha-methyl-(5-nitrofuryl-2)acrylidene)dithiocarbazic acid methyl ester