Butanamide Butyramide 541-35-5 42861-32-5 Butanimidic acid NSC8424 n-Butylamide n-Butyramide 19240_FLUKA ZINC01586734 Amide C4 AI3-24199 Butanoic acid, amide EINECS 208-776-4 HSDB 5684 NSC 8424