METHYLVINYLKETONE 2,4-DINITROPHENYLHYDRAZONE

N-(but-3-en-2-ylideneamino)-2,4-dinitroaniline

N-(but-3-en-2-ylideneamino)-2,4-dinitro-aniline

(2,4-dinitrophenyl)-(1-methylprop-2-enylideneamino)amine