Sotanorm

https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:63622
http://www.hmdb.ca/metabolites/HMDB0014632
http://www.genome.jp/dbget-bin/www_bget?cpd:C07309
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=5253
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=46505012
https://www.chemspider.com/Chemical-Structure.5063.html
http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=25762
https://mor.nlm.nih.gov/RxNav/search?searchBy=RXCUI&searchTerm=9947
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=63622
https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/CHEMBL471
http://bidd.nus.edu.sg/group/cjttd/ZFTTDDRUG.asp?ID=DAP000372
http://www.pharmgkb.org/drug/PA451457
http://www.rxlist.com/cgi/generic/betapaceaf.htm
https://www.drugs.com/cdi/sotalol.html
https://en.wikipedia.org/wiki/Sotalol