Supplier Page from Thermo Fisher Scientific for Tungsten wire, gold plated, 0.05mm (0.002in) dia, W 99.95% (metals basis), Au 99.99%
Ethyl butyrate, 99% from Thermo Fisher Scientific
Ethyl phenylcyanoacetate, 97% from Thermo Fisher Scientific
Ethyl phenylpropiolate, 98% from Thermo Fisher Scientific
Ethyl propiolate, 99% from Thermo Fisher Scientific