Supplier Page from Thermo Fisher Scientific for p-Toluenesulfonic acid, pure, 12% in acetic acid
2-Fluorobenzaldehyde, 97% from Thermo Fisher Scientific
2-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
3-Fluorobenzyl bromide, 95% from Thermo Fisher Scientific
Ethyl butyrate, 99% from Thermo Fisher Scientific