2-Propenamide, N-butyl-3-(5-nitro-2-furanyl)- 4-18-00-04158 (Beilstein Handbook Reference) 91182-09-1 BRN 0019014 CCRIS 5647 N-Butyl-3-(5-nitro-2-furanyl)-2-propenamide N-Butyl-5-nitro-2-furanacrylamide N-Butyl-5-nitro-2-furylacrylamide