39978-34-2 BRN 1302865 DL-Leucine, N-((phenylmethoxy)carbonyl)-, (3-(5-nitro-2-furanyl)-2-propenylidene)hydrazide N(sup 1)-(Carbobenzoxy(+-)leucyl)-N(sup 2)-(5-nitro-2'-furylacrylidene)hydrazine N-((Phenylmethoxy)carbonyl)-DL-leucine (3-(5-nitro-2-furanyl)-2-propenylidene)hydrazide