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- 3930-19-6 5-Amino-6-(7-amino-6-methoxy-5,8-dioxo-5,8-dihydro-quinolin-2-yl)-4-(2-hydroxy-3,4-dimethoxy-phenyl)-3-methyl-pyridine-2-carboxylic acid 5-amino-6-(7-amino-6-methoxy-5,8-dioxo-5,8-dihydroquinolin-2-yl)-4-(2-hydroxy-3,4-dimethoxyphenyl)-3-methylpyridinium-2-carboxylate InChI=1/C25H22N4O8/c1-9-14(10-6-8-13(35-2)23(36-3)20(10)30)15(26)19(29-17(9)25(33)34)12-7-5-11-18(28-12)22(32)16(27)24(37-4)21(11)31/h5-8,30H,26-27H2,1-4H3,(H,33,34 Rufocromomycin Streptonigrin