((Ethoxycarbonyl)ethylidene)triphenylphosphorane ((Ethoxycarbonyl)methylene)triphenylphosphorane (Carbethoxymethylene)triphenylphosphorane 103603-89-0 1099-45-2 Acetic acid, (triphenylphosphoranylidene)-, ethyl ester Carbethoxymethylidenetriphenylphosphorane Carbethoxytriphenylphosphonium methylide Carboethoxymethylidenetriphenylphosphorane EINECS 214-151-7 Ethyl (triphenylphosphoranilidene)acetate Ethyl (triphenylphosphoranylidene)acetate NSC 72406 Phosphorane, (carboxymethylene)triphenyl-, ethyl ester Triphenylcarbethoxymethylenephosphorane