2-Pyridinecarboxamide, 5-amino-6-(7-amino-5,8-dihydro-6-methoxy-5,8-dioxo-2-quinolinyl)-N-hydroxy-4-(2-hydroxy-3,4-dimethoxyphenyl)-3-methyl- 99520-42-0 AIDS-000089 AIDS000089 STN-NH0H Streptonigrin analog Streptonigrin hydroxyamide