Supplier Page from Thermo Fisher Scientific for 2,5-Difluoro-4-hydroxybenzaldehyde, 99%
4-Ethylaniline, 99+% from Thermo Fisher Scientific
Ethanethiol, 99+% from Thermo Fisher Scientific
Ethyl 3-pyridylacetate, 99% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific