Triphenylcarbethoxymethylenephosphorane1099-45-2100 % similar Carbomethoxymethylenetriphenylphosphorane2605-67-662 % similar Ethyl cinnamate103-36-657 % similar (tert-Butoxycarbonylmethylene)triphenylphosphorane35000-38-557 % similar 1-(Triphenylphosphoranylidene)-2-propanone1439-36-756 % similar Ethyl (2E)-4-oxo-4-phenyl-2-butenoate15121-89-854 % similar (Carbethoxyethylidene)triphenylphosphorane5717-37-350 % similar Ethyl 3-(phenylamino)-2-butenoate6287-35-050 % similar 1-Phenyl-2-(triphenylphosphoranylidene)ethanone859-65-447 % similar Ethyl benzoate93-89-047 % similar Diethyl maleate141-05-947 % similar Diethyl fumarate623-91-647 % similar Ethyl α-chlorobenzeneacetate4773-33-545 % similar Diethyl benzylidenemalonate5292-53-545 % similar 1,3-Diethyl 2-(phenylmethyl)propanedioate607-81-845 % similar Ethyl phenylacetate101-97-345 % similar Diethyl phthalate84-66-244 % similar Ethyl glyoxylate924-44-744 % similar (-)-Ethyl mandelate10606-72-144 % similar Ethyl α-bromobenzeneacetate2882-19-144 % similar