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-5,8-dihydro-6-methoxy-5,8-dioxo-2-quinolyl)-4-(2-hydroxy-3,4-dimethoxyphenyl)-3-methylpicolinic acid 5278 R. P. A 050165L302 ABBOTT CRYSTALLINE ANTIBIOTIC AO50165L302 Antibiotic from Streptomyces flocculus Bruneomycin NSC 45383 NSC-45383 NSC56748 Nigrin Picolinic acid, 5-amino-6-(6-amino-5,8-dihydro-7-methoxy-5,8-dioxo-2-quinolyl)-4-(2-hydroxy-3,4-dimethoxyphenyl)-3-methyl- Picolinic acid, 5-amino-6-(7-amino-5,8-dihydro-6-methoxy-5,8-dioxo-2-quinolyl)-4-(2-hydroxy-3,4-dimethoxyphenyl)-3-methyl- Rufochromomycin Rufocromomycin SN STP STREPTONIGRIN Streptonigran WLN: T66 BV EV GNJ CO1 DZ H- BT6NJ CZ DR BQ CO1 DO1& E1 FVQ