Supplier Page from Thermo Fisher Scientific for (1R,2R)-2-Amino-1-(4-nitrophenyl)propane-1,3-diol, 96%
1-Fluoro-2-nitrobenzene, 99% from Thermo Fisher Scientific
3-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
4-Ethylaniline, 99+% from Thermo Fisher Scientific
Ethyl cyanoformate, 99% from Thermo Fisher Scientific