Supplier Page from Thermo Fisher Scientific for (S)-(-)-2-Bromopropionic acid, 98%, >85% ee
3-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
4-Ethylaniline, 99+% from Thermo Fisher Scientific
Ethyl chloroacetate, 99% from Thermo Fisher Scientific
Ethyl N-piperazinecarboxylate, 99% from Thermo Fisher Scientific