Supplier Page from Thermo Fisher Scientific for (Carbethoxymethylene)triphenylphosphorane, 98+%
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethyl phenylpropiolate, 98% from Thermo Fisher Scientific
Ethyl picolinate, 99% from Thermo Fisher Scientific