Supplier Page from Thermo Fisher Scientific for Boron trifluoride etherate, approx. 48% BF3
2-Mesitylenesulfonyl chloride, 99% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Hexanoic acid, 99% from Thermo Fisher Scientific
Inosine, 99% from Thermo Fisher Scientific