Nitrosum

https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:7581
http://www.hmdb.ca/metabolites/HMDB0015534
http://www.genome.jp/dbget-bin/www_bget?drug:D00531
http://www.genome.jp/dbget-bin/www_bget?cpd:C07487
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=4506
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=46505806
https://www.chemspider.com/Chemical-Structure.4350.html
http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=50020856
https://mor.nlm.nih.gov/RxNav/search?searchBy=RXCUI&searchTerm=7440
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=7581
https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/CHEMBL13209
https://zinc.docking.org/substances/ZINC000004311748
http://bidd.nus.edu.sg/group/cjttd/ZFTTDDRUG.asp?ID=DAP000691
http://www.pharmgkb.org/drug/PA10242
https://en.wikipedia.org/wiki/Nitrazepam