Supplier Page from Thermo Fisher Scientific for Hydrobromic acid, pure, ca. 48 wt% solution in water
2-Fluorobenzaldehyde, 97% from Thermo Fisher Scientific
3-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
Ethyl 3-hydroxybutyrate, 99% from Thermo Fisher Scientific
Ethyl benzoate, 99+% from Thermo Fisher Scientific