(E)-1,2-dithiocyanato-3-(4-chlorophenyl)-2-propene
(Z)-2-isothiocyanato-1-thiocyanato-3-(4-chlorophenyl)-2-propene
(E)-1,2-dithiocyanato-3-(4-fluorophenyl)-2-propene
(Z)-2-isothiocyanato-1-thiocyanato-3-(4-fluorophenyl)-2-propene
(E)-1,2-dithiocyanato-3-(p-tolyl)-2-propene