Clomocycline
Clomocycline is tetracycline in which the hydrogen at position 7 is substituted by chlorine and a hydrogen attached to the amide nitrogen is substituted by a hydroxymethyl group. A tetracyline antibiotic, it is used to treat acne, urinary tract infections, gum disease, and other bacterial infections such as gonorrhoea and chlamydia. It has a role as an antimicrobial agent, an antibacterial drug, an antiprotozoal drug and a protein synthesis inhibitor. It is a member of tetracyclines and a tertiary alpha-hydroxy ketone.