sigmadone

https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:8871
http://www.hmdb.ca/metabolites/HMDB0005020
http://www.genome.jp/dbget-bin/www_bget?drug:D00426
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=5073
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=46505850
https://www.chemspider.com/Chemical-Structure.4895.html
http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=50001885
https://mor.nlm.nih.gov/RxNav/search?searchBy=RXCUI&searchTerm=35636
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=8871
https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/CHEMBL85
https://zinc.docking.org/substances/ZINC000000538312
http://bidd.nus.edu.sg/group/cjttd/ZFTTDDRUG.asp?ID=DAP000003
http://www.pharmgkb.org/drug/PA451257
http://www.guidetopharmacology.org/GRAC/LigandDisplayForward?ligandId=96
http://www.rxlist.com/cgi/generic/risperid.htm
https://www.drugs.com/risperidone.html
http://www.pdrhealth.com/drugs/rx/rx-mono.aspx?contentFileName=ris1382.html&contentName=Risperdal&contentId=667
https://en.wikipedia.org/wiki/Risperidone