has role geroprotector tetracyclines antibacterial drug antimalarial doxycycline CHEBI:50845 (4S,4AR,5S,5AR,6R,12AS)-4-(DIMETHYLAMINO)-3,5,10,12,12A-PENTAHYDROXY-6-METHYL-1,11-DIOXO-1,4,4A,5,5A,6,11,12A-OCTAHYDROTETRACENE-2-CARBOXAMIDE Doxycyclin CHEBI:42135 doxycycline (anhydrous) Doxycycline chebi_ontology (4S,4AR,5S,5AR,6R,12AS)-4-(DIMETHYLAMINO)-3,5,10,12,12A-PENTAHYDROXY-6-METHYL-1,11-DIOXO-1,4,4A,5,5A,6,11,12A-OCTAHYDROTETRACENE-2-CARBOXAMIDE Tetracycline in which the 5β-hydrogen is replaced by a hydroxy group, while the 6α-hydroxy group is replaced by hydrogen. A semi-synthetic tetracycline antibiotic, it is used to inhibit bacterial protein synthesis and treat non-gonococcal urethritis and cervicitis, exacerbations of bronchitis in patients with chronic obstructive pulmonary disease (COPD), and adult periodontitis. 5-hydroxy-alpha-6-deoxytetracycline CHEBI:4713 6alpha-deoxy-5-oxytetracycline immunomodulator anti-inflammatory agent