| n-((phenylmethoxy)carbonyl)-dl-serin (3-(5-nitro-2-furanyl)-2-propenylidene |
| n(sup 1)-(n'-carbobenzoxy(+-)seryl)-n(sup 2)-(5'-nitro-2'-furyl-acrylidene)hy |
| n-((phenylmethoxy)carbonyl)-dl-serine (3-(5-nitro-2-furanyl)-2-propenylidene) |
| n-((phenylmethoxy)carbonyl)-dl-serin(3-(5-nitro-2-furanyl)-2-propenylidene)hydrazide |
