6,15,16-Trioxatricyclo[10.2.1.11,4]hexadecane,erythromycin deriv.; 6,9,12-Anhydroerythromycin A; Anhydroerythromycin;Anhydroerythromycin A; BRL 46355ER; EM 202; Erythromycin anhydride
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