sulfines
[obsolete]
https://doi.org/10.1351/goldbook.S06108
S-Oxides of @T06349@ and @T06356@. Not recommended because in English the -ine @T06274@ should be reserved for @A00274@, @I02957@, etc., e.g. PhC(=S=O)H thiobenzaldehyde S-oxide.