Supplier Page from Thermo Fisher Scientific for Cyanogen bromide, 3M solution in dichloromethane
3-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
4-Ethylphenol, 97% from Thermo Fisher Scientific
4-Fluoroaniline, 98% from Thermo Fisher Scientific
Ethyl butyrylacetate, 98% from Thermo Fisher Scientific