https://webbook.nist.gov/cgi/inchi?ID=C4988334&Mask=200
2H-Thiopyran, tetrahydro-, 1,1-dioxide
dioxide
https://pubchem.ncbi.nlm.nih.gov/compound/3-Buten-2-one_-4-_tetrahydro-2H-thiopyran-3-yl_
3-Buten-2-one, 4-(tetrahydro-2H-thiopyran-3-yl)- - PubChem
3-Buten-2-one, 4-(tetrahydro-2H-thiopyran-3-yl)- chemical information summary.
butenoneylpubchem
https://webbook.nist.gov/cgi/inchi?Str3View=C4988334&Type=JSmol
Structure for 2H-Thiopyran, tetrahydro-, 1,1-dioxide
structuredioxide