100227-57-4 AIDS-094493 AIDS094493 Erythronolide A, 6,7,10,11,12,20-hexadehydro-6-demethyl-9-deoxo-3,5,11,12-tetradeoxy-4,17-dihydroxy-6-O-methyl-3-oxo- Galbonolide Galbonolide A Rustmicin