amino sugar telithromycin CHEBI:46029 RU 66647 chebi_ontology RU66647 HMR 3647 CHEBI:29688 HMR3647 HMR-3647 (3aS,4R,7S,9R,10R,11R,13R,15R,15aR)-4-ethyl-11-methoxy-3a,7,9,11,13,15-hexamethyl-2,6,8,14-tetraoxo-1-[4-(4-pyridin-3-yl-1H-imidazol-1-yl)butyl]tetradecahydro-2H-oxacyclotetradecino[4,3-d][1,3]oxazol-10-yl 3,4,6-trideoxy-3-(dimethylamino)-beta-D-xylo-hexopyranoside TELITHROMYCIN Telithromycin RU-66647