Epianhydrotetracycline (EATC) is a degradation product of the antibiotic tetracycline .1 EATC is active against Pseudomonas, Agrobacterium, Moraxella, Bacillus, and E. coli (MIC50s = 0.75-16 mg/L).
Epitetracycline is an epimer of the antibiotic tetracycline . Epimers of tetracycline form without catalysis and are considered degradation products. Epitetracycline has decreased activity as an antibiotic or a Tet repressor effector but may have stronger toxic effects in animals.
Chlortetracycline is an analog of tetracycline , a broad spectrum antibiotic. In addition to its actions against microorganisms, chlortetracycline suppresses inflammation by inhibiting neutrophil action and other aspects of the innate immune response. 4-epi-Chlortetracycline is an epimer of chlortetracycline.