Supplier Page from Thermo Fisher Scientific for (1R,2R)-(+)-1,2-Diphenyl-1,2-ethanediamine, 99%, 99% ee
4-Ethylphenol, 97% from Thermo Fisher Scientific
DL-Ethyl 2-bromopropionate, 99% from Thermo Fisher Scientific
Ethyl 3-hydroxybutyrate, 99% from Thermo Fisher Scientific
Ethylenediaminetetraacetic acid, 99%, pure from Thermo Fisher Scientific