Supplier Page from Thermo Fisher Scientific for Boron oxide, 99.999% (metals basis)
Ethyl 3-pyridylacetate, 99% from Thermo Fisher Scientific
Ethyl 4,4,4-trifluoroacetoacetate, 97% from Thermo Fisher Scientific
Ethyl cyanoformate, 99% from Thermo Fisher Scientific
Fluorobenzene, 99% from Thermo Fisher Scientific