C CHEMISTRY; METALLURGY
C07 ORGANIC CHEMISTRY
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS
C07C323/00 Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups
C07C323/22 containing thio groups and doubly-bound oxygen atoms bound to the same carbon skeleton