13022-22-5 2-(2-(5-Nitro-2-furyl)vinyl)cinchoninic acid (5-nitrofurfurylidene)hydrazide 2-(2-(5-Nitrofuryl)vinyl)-4-quinolinecarboxylic acid (5-nitrofurylidene)hydrazide BRN 0731908 Cinchoninic acid, 2-(2-(5-nitro-2-furyl)vinyl)-, (5-nitrofurfurylidene)hydrazide