Supplier Page from Thermo Fisher Scientific for 1,4-Naphthoquinone, 99%, contains up to 6% water
4-Ethylphenol, 97% from Thermo Fisher Scientific
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Ethyl chloroacetate, 99% from Thermo Fisher Scientific
Eugenol, 99% from Thermo Fisher Scientific