What are compounds combined with the element sulfur?

SO2 = Sulphur dioxide

SO3 = Sulphur trioxide

H2SO3 = Sulphurous acid

H2SO4 = Sulphuric Acid

H2S = Hydrogen sulphide.

CH3CH2SH = Ethanthiol ( The sulphur equivalent of ethanol).

The insulin molecule in the himan organism has a R-S-S-R bridge.

FeS = Iron sulphide.

There are thousands more sulphur (compounds) molecules. . The above is just a selection.