Supplier Page from Thermo Fisher Scientific for Tantalum slug, 3.175mm (0.125in) dia x 3.175mm (0.125in) length, 99.95% (metals basis)
1-Fluoro-4-nitrobenzene, 99% from Thermo Fisher Scientific
Ethyl butyrate, 99% from Thermo Fisher Scientific
Ethyl phenylcyanoacetate, 97% from Thermo Fisher Scientific
Ethyl trifluoroacetate, 99% from Thermo Fisher Scientific