Supplier Page from Thermo Fisher Scientific for 2,3-Dicyanohydroquinone, 98%
Ethyl 3-aminobenzoate, 99+% from Thermo Fisher Scientific
Ethyl 4,4,4-trifluoroacetoacetate, 97% from Thermo Fisher Scientific
Ethyl chloroformate, 99% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific