Supplier Page from Thermo Fisher Scientific for 1,4-Bis(methoxydimethylsilyl)benzene, 97%
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethyl cyanoacetate, 98+% from Thermo Fisher Scientific
Ethyl phenylpropiolate, 98% from Thermo Fisher Scientific