Supplier Page from Thermo Fisher Scientific for Sodium carbonate, 99.95%, extra pure, anhydrous
9-Fluorenone, 99+% from Thermo Fisher Scientific
Ethyl 2-mercaptoacetate, 99% from Thermo Fisher Scientific
Ethyl 4,4,4-trifluoroacetoacetate, 97% from Thermo Fisher Scientific
Ethyl L(-)-lactate, 97% from Thermo Fisher Scientific