Supplier Page from Thermo Fisher Scientific for Diethylene glycol monomethyl ether, 98%, stab. with 50-150mg/kg BHT
4-Ethylaniline, 99+% from Thermo Fisher Scientific
Ethyl 4,4,4-trifluoroacetoacetate, 97% from Thermo Fisher Scientific
Ethyl chloroacetate, 99% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific