Supplier Page from Thermo Fisher Scientific for Paraformaldehyde, 90%, pure
4-Fluoroaniline, 98% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethyl isonipecotate, 98+% from Thermo Fisher Scientific
Ethyl phenylcyanoacetate, 97% from Thermo Fisher Scientific