Selenium(IV) Sulfide

http://classyfire.wishartlab.com/tax_nodes/C0000001
http://classyfire.wishartlab.com/tax_nodes/C0000423
http://classyfire.wishartlab.com/tax_nodes/C0000453
http://classyfire.wishartlab.com/tax_nodes/C0000555
http://classyfire.wishartlab.com/tax_nodes/C0000555
http://classyfire.wishartlab.com/tax_nodes/C0003942
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=24087
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=46507535
https://www.chemspider.com/Chemical-Structure.22519.html
https://mor.nlm.nih.gov/RxNav/search?searchBy=RXCUI&searchTerm=36345
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=135934
https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/CHEMBL1200680
http://www.pharmgkb.org/drug/PA164771240
http://www.rxlist.com/cgi/generic/selsun.htm
https://www.drugs.com/cdi/selenium-foam.html