Benzyl mercaptan, 4-tert-butylbenzyl mercaptan, thiophenol, 4-fluorothiophenol, 3-chlorothiophenol, 4-chlorothiophenol, 4-(methylthio)phenol, phenyl sulfide, thioanisole, m-methylthioaniline, carbon disulfide, dmso(dimethyl sulfoxide), msm(dimethyl sulfone), dimethyl sulfide, sodium hydrosulfide, etc.
