(4R,5S,6R,7S,9R,11E,13E,15R,16R)-15-((((2R,3R,4R,5S,6R)-4,5-dihydroxy-3-methoxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)methyl)-6-(((2R,3R,4S,5S,6R)-3,5-dihydroxy-4-isopropyl-6-methyltetrahydro-2H-pyran-2-yl)oxy)-16-ethyl-4-hydroxy-5,9,13-trimethyl-2,10-dioxooxacyclohexadeca-11,13-diene-7-carbaldehyde; 3′′′-O-demethyl-4′-O-demycarosyltylosin