Supplier Page from Thermo Fisher Scientific for 4',5'-Dibromofluorescein, ca. 95% dye content
2-Ethyl-1,3-hexanediol, 99%, mixture of isomers from Thermo Fisher Scientific
4-Ethylresorcinol, 98% from Thermo Fisher Scientific
Ethyl bromopyruvate, 80-85% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific