| (triphenylphosphoranylidene)-acetic aci ethyl ester |
| (carbethoxymethylene)triphenylphosphorane,free of carbomethoxymethylene-analogue |
| (Carbethoxymethylene)triphenylphosphorane |
| (Ethoxycarbonylmethylene)triphenylphosphorane |
| Ethyl(triphenylphosphoranyliden)acetate |
| (Carboethoxymethylene)triphenylphosphorane |
| Ethyl(triphenylphosphoranylidene)acetate |
| (Triphenylphosphoranylidene)acetic Acid Ethyl Ester |
