Synonyms: Streptonigrin amidohydrazide;STN-NHNHCONH2;2-Pyridinecarboxylic acid, 5-amino-6-(7-amino-5,8-dihydro-6-methoxy-5,8-dioxo-2-quinolinyl)-4-(2-hydroxy-3,4-dimethoxyphenyl)-3-methyl-, 2-(aminocarbonyl)hydrazide;99520-40-8;AC1NUHTT;[[(4Z)-5-amino-6-(7-amino-6-methoxy-5,8-dioxoquinolin-2-yl)-4-(4,5-dimethoxy-6-oxocyclohexa-2,4-dien-1-ylidene)-3-methyl-1H-pyridine-2-carbonyl]amino]urea