11-deoxy-3-des(hexopyranosyloxy)-6-O-methyl-11-(3-((3-methylphenylcarbamoyl)oxy)propylamino)-3-oxoerythromycin A 11-N,12-O-cyclic carbamate
11-deoxy-3-des(hexopyranosyloxy)-6-o-methyl-11-(3-((3-methylphenylcarbamoyl)oxy)propylamino)-3-oxoerythromycin a 11-n,12-o-cyclic carbamate