Supplier Page from Thermo Fisher Scientific for Thymolphthalein, 0.05% w/v solution in ethanol
4-Ethylphenol, 97% from Thermo Fisher Scientific
4-Fluoroanisole, 99% from Thermo Fisher Scientific
Ethyl vinyl ether, 99%, stabilized from Thermo Fisher Scientific
Eugenol, 99% from Thermo Fisher Scientific