Supplier Page from Thermo Fisher Scientific for Ethyl 4-cyano-1H-pyrazole-5-carboxylate, 95%
2-Ethoxyethyl ether, 98+%, extra pure from Thermo Fisher Scientific
DL-Ethyl 2-bromopropionate, 99% from Thermo Fisher Scientific
Ethyl phenylpropiolate, 98% from Thermo Fisher Scientific
N-Ethylaniline, 98% from Thermo Fisher Scientific