4-差向脱水四环素;
4-Epianhydrotetracycline HCl;(4R,4aS,12aR)-4-(dimethylamino)-1,10,11,12a-tetrahydroxy-6-methyl-3,12-dioxo-4a,5-dihydro-4H-tetracene-2-carboxamide,hydrochloride;
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