but-2-ene-2,3-diylbis(phenylsulfane)

(E)-(3-fluorobut-2-en-2-yl)(phenyl)sulfane

(E)-3,3-dimethyl-1,2-bis(phenylthio)but-1-ene

(E)-2-fluoro-3,3-dimethyl-1-(phenylthio)but-1-ene

trans-1,2-diphenyl-2-phenylthiovinyl acetate