Supplier Page from Thermo Fisher Scientific for Calcium carbonate, 99.5% (metals basis)
3-Fluorobenzyl bromide, 95% from Thermo Fisher Scientific
Ethyl 3-aminobenzoate, methanesulfonic acid salt, 98% from Thermo Fisher Scientific
Ethyl 4,4,4-trifluoroacetoacetate, 97% from Thermo Fisher Scientific
Ethyl butyrylacetate, 98% from Thermo Fisher Scientific