2-Propenoic acid, 3-(5-nitro-2-furanyl)-, butyl ester 3-(5-Nitro-2-furanyl)-2-propenoic acid butyl ester 5-Nitro-2-furanacrylic acid, butyl ester 5-Nitro-2-furylacrylic acid, butyl ester 90147-19-6 CCRIS 5638