14206-59-8

4-epi-DeMeclocycline Aureomycin Impurity E Aureomycin EP impurity E Aureomycin Impurity E(EP) 4-epi-DeMeclocycline (~90%) Demeclocycline EP Impurity B 4-EpideMethylchlortetracycline Chlortetracycline EP Impurity E Demeclocycline EP Impurity B (4-Epidemeclocycline) Demeclocycline Impurity 2(Demeclocycline EP Impurity B) [4R-(4α,4aβ,5aβ,6α,12aβ)]-7-Chloro-4-(diMethylaMino)-1,4,4a,5,5a,6,11,12a-octahydro-3,6,10,12,12a-pentahydroxy-1,11-dioxo-2-naphthacenecarboxaMide