Supplier Page from Thermo Fisher Scientific for 3-Carboxy-5-nitrobenzeneboronic acid, 97%
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethyl trifluoroacetate, 99% from Thermo Fisher Scientific
Ethyltriphenylphosphonium bromide, 98% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific