英文别名OPT-1118; OPT 1118; Fidaxomicin-Met; Fidaxomicin Impurity 14; Fidaxomicin Metabolite OP-1118; Fidaxomycin - Metabolite OP-1118; Des Iso Butyryl Fidaxomicin; Fidaxomicin Impurity 3; (2S,3R,4R,5R,6S)-6-{[(3E,5Z,8S,9E,11S,12R,15E,18S)-11-Ethyl-8-hydroxy-18-[(1R)-1-hydroxyethyl]-9,13,15-trimethyl-2-oxo-12-{[(2R,3S,4S,5S)-3,4,5-trihydroxy-6,6-dimethyltetrahydro-2H-pyran-2-yl]oxy}oxacyclooctadeca-3,5,9,13,15-pentaen-3-yl]methoxy}-4-hydroxy-5-methoxy-2-methyltetrahydro-2H-pyran-3-yl 3,5-dichloro-2-ethyl-4,6-dihydroxybenzoate; (3E,5E,8S,9E,11S,12R,13E,15E,18S)-3-(((6-Deoxy-4-O-(3,5-dichloro-2-ethyl-4,6-dihydroxybenzoyl)-2-O-methyl-beta-L-mannopyranosyl)oxy)methyl)-12-((6-deoxy-5-C-methyl-beta-D-lyxo-hexopyranosyl)oxy)-11-ethyl-8-hydroxy-18-((1R)-1-hydroxyethyl)-9,13,15-trimethyloxacyclooctadeca-3,5,9,13,15-pentaen-2-one; [(2S,3R,4R,5R,6S)-6-[[(3E,5E,8S,9E,11S,12R,13E,15E,18S)-11-ethyl-8-hydroxy-18-[(1R)-1-hydroxyethyl]-9,13,15-trimethyl-2-oxo-12-[(2R,3S,4S,5S)-3,4,5-trihydroxy-6,6-dimethyl-tetrahydropyran-2-yl]oxy-1-oxacyclooctadeca-3,5,9,13,15-pentaen-3-yl]methoxy]-4-hydroxy-5-methoxy-2-methyl-tetrahydropyran-3-yl] 3,5-dichloro-2-ethyl-4,6-dihydroxy-benzoate 
