30-Deoxydianemycin 6-Nonenoic acid, 8-(2-(6-hydroxy-3,5,6-trimethyltetrahydro-2H-pyrn-2-yl)-9-(5-methoxy-6-methyltetrahydro-2H-pyran-2-yloxy)-9-hydroxy-2,4,8,10-tetramethyl(2,7-bi-1,6-dioxaspiro(4.5)dec)-7-yl)-5-oxo-2,4,6,8-tetramethyl- 73537-10-7 Antibiotic TM-531 Dianemycin, 30-deoxy- (9CI) Leuseramycin TM-531