Supplier Page from Thermo Fisher Scientific for Ethyl 4-bromo-3-ethoxy-2-butenoate, tech. 90%, stab. with sodium carbonate
2-Fluorobenzaldehyde, 97% from Thermo Fisher Scientific
Ethyl 3-hydroxybutyrate, 99% from Thermo Fisher Scientific
Ethyl chloroformate, 99% from Thermo Fisher Scientific
Ethyl picolinate, 99% from Thermo Fisher Scientific