Synonyms: Megalomycin C1;Antibiotic XK 41A2;3',4'-Diacetylmegalomycin A;XK-41-A2;BRN 1418641;W-847-C1;Megalomicin A, 3(sup A),4(sup A)-diacetate;AC1L4GHV;LS-89411;[4-acetyloxy-6-[[6,7-bis[[4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy]-14-ethyl-12,13-dihydroxy-3,5,7,9,11,13-hexamethyl-2,10-dioxo-oxacyclotetradec-4-yl]oxy]-2,4-dimethyloxan-3-yl] acetate