1-Piperazineacetic acid, 4-methyl-, (5-nitrofurfurylidene)hydrazide 1-Piperazineacetic acid, 4-methyl-, [(5-nitro-2-furanyl)methylene]hydrazide 24632-47-1 5-Nitro-2-furaldehyde 4-methylpiperazinoacethydrazone 5-Nitro-2-furaldehyde N'-methylpiperazinoacethydrazone 5-Nitro-2-furfuraldehyde-N'-methyl-N-piperazinoacethydrazone NP NSC276014 Nifurpipone Rec 15 0122 Rec 15-0122