Supplier Page from Thermo Fisher Scientific for Hydrobromic acid, for analysis, ca. 48% solution in water
2-Ethylaniline, 98% from Thermo Fisher Scientific
3-Fluorobenzaldehyde, 98+% from Thermo Fisher Scientific
Ethyl trifluoroacetate, 99% from Thermo Fisher Scientific
Ethyltriphenylphosphonium bromide, 98% from Thermo Fisher Scientific