{(E)-4-Chloro-3-[(Z)-4-sulfamoyl-phenylimino]-but-1-enyl}-triphenyl-phosphonium; chloride
<4-(p-bromoanilino)-3-(p-bromophenylimino)-1-butenyl>triphenylphosphonium chloride
<4-(2,4-dinitrophenylhydrazino)-3-oxo-1-butenyl>triphenylphosphonium chloride 2,4-dinitrophenylhydrazone
(4-chloro-3-oxo-1-butenyl)triphenylphosphonium chloride 2,4-dinitrophenylhydrazone
{(E)-4-Chloro-3-[(Z)-phenylimino]-but-1-enyl}-triphenyl-phosphonium; chloride