text: <unk>  is a tetracycline antibiotic. It is used as a precursor in the industrial synthesis of doxycycline hyclate. It should not be confused with the antibiotic methicillin (aka meticillin).
  Pages with script errorsE number from WikidataECHA InfoCard ID from WikidataChemical articles without CAS registry numberArticles without EBI sourceChemical pages without ChemSpiderIDChemical pages without DrugBank identifierArticles without KEGG sourceArticles without InChI sourceArticles without UNII sourceDrugs with no legal statusArticles containing unverified chemical infoboxesDrugTetracycline antibiotics
option_0: Metacycline
option_1: Minocycline
option_2: Tetracycline 
option_3: Anthracycline
option_4: Minocycline hydrochloride
option_5: Quinolone
option_6: Daptomycin
option_7: Oxytetracycline