Oxytetracycline EP Impurity E

Chemical Name: (3S,4S,5R)-4-((R)-4,5-dihydroxy-9-methyl-3-oxo-1,3-dihydronaphtho[2,3-c]furan-1-yl)-3-(dimethylamino)-2,5-dihydroxy-6-oxocyclohex-1-ene-1-carboxamide

Synonym: β-Apo-oxytetracycline ;