(Cyanomethyl)triphenylphosphonium chloride (Cyanomethyl)triphenylphosphonium- (Triphenylphosphoranyl)acetonitrile 4336-70-3 (CHLORIDE SALT) AIDS-156021 AIDS156021 NSC92174 (CHLORIDE SALT) Phosphonium, (cyanomethyl)triphenyl- Phosphonium, (cyanomethyl)triphenyl-, chloride