Supplier Page from Thermo Fisher Scientific for (R)-(+)-2-(BOC-Amino)-1,4-butanediol, 97%
4'-Fluoroacetophenone, 99% from Thermo Fisher Scientific
4-Fluoroanisole, 99% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethyl phenylpropiolate, 98% from Thermo Fisher Scientific