Supplier Page from Thermo Fisher Scientific for Niobium(V) oxide, 99.5% (metals basis)
1-Fluoro-2-nitrobenzene, 99% from Thermo Fisher Scientific
Ethyl 4,4,4-trifluoroacetoacetate, 97% from Thermo Fisher Scientific
Ethyl phenylcyanoacetate, 97% from Thermo Fisher Scientific
Ethyl pyruvate, 98% from Thermo Fisher Scientific