Synonyms: 8,11-Ethanofuro[2,3-e]naphtho[2,3-c:6,7-c']dipyran-2,6,13(9H)-trione,3,3a,5,8,11,13b-hexahydro-7,8,12,15-tetrahydroxy-5,9-dimethyl-, [3aS-(3aa,5a,8a,9a,11b,13ba,15S*)]-; Granaticin (6CI,7CI,8CI); Antibiotic WR 141; Granaticin A;Granatomycin C; Litmomycin; NSC 77038; WR 141