Synonyms: 2,4-Pyrrolidinedione,3-[1-hydroxy-4-methyl-6-(1,2,7-trimethyl-5-oxo-3,9,10-trioxatricyclo[4.3.1.02,4]dec-8-yl)-2,4-heptadienylidene]-,[1S-[1a,2b,4b,6a,7b,8a(1E,2E,4E,6S*)]]-; 3-Pyrrolin-2-one,4-hydroxy-3-[4-methyl-6-(1,2,7-trimethyl-5-oxo-3,9,10-trioxatricyclo[4.3.1.02,4]dec-8-yl)-2,4-heptadienoyl]-,(E,E)- (8CI); 3,9,10-Trioxatricyclo[4.3.1.02,4]decane, 2,4-pyrrolidinedionederiv.; NSC 107067; Tirandamycin A