4-EPIANHYDROCHLORTETRACYCLINE HYDROCHLORIDE, CAN BE USED AS SECONDARY STANDARD
4-EPIANHYDROCHLORTETRACYCLINE HYDROCHLORIDE, CAN BE USED AS SECONDARY STANDARD;[4R-(4α,4aβ,12aβ)]-7-Chloro-4-(diMethylaMino)-1,4,4a,5,12,12a-hexahydro-3,10,11,12a-tetrahydroxy-6-Methyl-1,12-dioxo-2-naphthacenecarboxaMide Monohydrochloride
