Demethylchlortetracyclin

https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:4392
http://www.hmdb.ca/metabolites/HMDB0014756
http://www.genome.jp/dbget-bin/www_bget?drug:D00290
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=54680690
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=46506314
https://www.chemspider.com/Chemical-Structure.10482117.html
https://mor.nlm.nih.gov/RxNav/search?searchBy=RXCUI&searchTerm=3154
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=4392
https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/CHEMBL1591
https://zinc.docking.org/substances/ZINC000100036924
http://bidd.nus.edu.sg/group/cjttd/ZFTTDDRUG.asp?ID=DAP000402
http://www.pharmgkb.org/drug/PA164745513
http://www.rxlist.com/cgi/generic3/demeclocycline.htm
https://www.drugs.com/cdi/demeclocycline.html
https://en.wikipedia.org/wiki/Demeclocycline