Supplier Page from Thermo Fisher Scientific for Barium carbonate, 99+%, ACS reagent
9-Fluorenone, 99+% from Thermo Fisher Scientific
Ethyl 2-bromoisobutyrate, 98% from Thermo Fisher Scientific
Ethyl 4,4,4-trifluoroacetoacetate, 97% from Thermo Fisher Scientific
Ethyl butyrate, 99% from Thermo Fisher Scientific