1-Piperazinepropionic acid, 4-methyl-, 2-(5-nitrofurfurylidene)hydrazide 2-Furaldehyde, 5-nitro-, (3-(4-methylpiperazinyl)propionyl)hydrazone hydrate 24632-63-1 4-Methyl-1-piperazinepropionic acid 2-(5-nitrofurfurylidene)hydrazide BRN 0896702