5-(butylaminomethylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione

5-(butylamino)-4-nitrothiophene-2-carbonitrile

butan-1-amine,methyl 1-butyl-5-oxo-2H-triazole-4-carboxylate

N-butyl-3-(5-nitrofuran-2-yl)prop-2-enamide

2-butyl-3a,4,5,6,7,7a-hexahydro-octahydro-1H-4,7-epoxyisoindole-1,3-dione