Capon, Brian published the artcileThe tautomerism of hydroxy derivatives of five-membered oxygen, nitrogen, and sulfur heterocycles, Formula: C4H4OS, the publication is Tetrahedron Letters (1986), 27(28), 3275-8, database is CAplus.
The unstable enolic tautomers 3-hydroxyfuran, 2- and 3-hydroxythiophene, 3-hydroxypyrrole, 3-hydroxy-1-methylpyrrole and their benzo derivatives have been generated in solution and the rate and equilibrium constants for their ketonization determined
Tetrahedron Letters published new progress about 17236-59-8. 17236-59-8 belongs to alcohols-buliding-blocks, auxiliary class Thiophene,Alcohol, name is Thiophen-3-ol, and the molecular formula is C4H4OS, Formula: C4H4OS.
Referemce:
https://en.wikipedia.org/wiki/Alcohol,
Alcohols – Chemistry LibreTexts