| Synonyms: | quinolidomicin A1;4,61-Dioxabicyclo[55.3.1]henhexaconta-21,23,25,33,35,50,52-heptaene-3,29-dione, 1,7,9,17,19,27,31,37,39,41,45,47,49,55,59-pentadecahydroxy-5-[8-[5-hydroxy-2-(methylthio)-3,6-dioxo-1,4-cyclohexadien-1-yl]-8-methoxy-5-methyl-1,3-octadien-1-yl]-14,44,48,50,54,56,58-heptamethyl- |