Doxapramum

https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:681848
http://www.hmdb.ca/metabolites/HMDB0014701
http://www.genome.jp/dbget-bin/www_bget?drug:D07873
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=3156
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=46506829
https://www.chemspider.com/Chemical-Structure.3044.html
https://mor.nlm.nih.gov/RxNav/search?searchBy=RXCUI&searchTerm=3637
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=681848
https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/CHEMBL1754
http://bidd.nus.edu.sg/group/cjttd/ZFTTDDRUG.asp?ID=DAP001295
http://www.pharmgkb.org/drug/PA164784026
http://www.rxlist.com/cgi/generic2/doxapram.htm
https://www.drugs.com/cdi/doxapram.html
https://en.wikipedia.org/wiki/Doxapram