140458-71-5 5,8-Quinolinedione, 7-amino-2-(3-(dimethylamino)-6-methoxy-5-methyl-4-(2,3,4-trimethoxyphenyl)-2-pyridinyl)-6-methoxy- Di-2',8'-O-di-5',5'-N,N-methylstreptonigrone Dmdme-streptonigrone N(5'),N(5'),O(2'),O(8')-Tetramethylstreptonigrone