87084-47-7 Chimeramycin A Tylosin, 23-de((6-deoxy-2,3-di-O-methyl-beta-D-allopyranosyl)oxy)-9-deoxo-9-((5-(dimethylamino)tetrahydro-6-methyl-2H-pyran-2-yl)oxy)-, 3-acetate, (9R(2R,5S,6R))-