Supplier Page from Thermo Fisher Scientific for 2,2,6,6-Tetramethyl-3,6-dihydro-2H-pyran-4-boronic acid pinacol ester, 97%
Ethyl butyrylacetate, 98% from Thermo Fisher Scientific
Ethyl cyanoacetate, 98+% from Thermo Fisher Scientific
Ethyltriphenylphosphonium bromide, 98% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific