35457-80-8,Midecamycin,[(2R,3R,4R,6S)-6-[(2R,3S,4R,5R,6S)-4-Dimethylamino-5-Hydroxy-6-[[(11Z,13E)-10-Hydroxy-5-Methoxy-9,16-Dimethyl-2-Oxo-7-(2-Oxoethyl)-4-Propanoyloxy-1-Oxacyclohexadeca-11,13-Dien-6-Yl]Oxy]-2-Methyl-Tetrahydropyran-3-Yl]Oxy-4-Hydroxy-2,4-Dimethyl-Tetrahydropyran-3-Yl] Propanoate