Supplier Page from Thermo Fisher Scientific for (S)-(+)-2-Methylbutyric acid, 98%
4-Fluoroanisole, 99% from Thermo Fisher Scientific
Ethyl 3-aminocrotonate, 98.5% from Thermo Fisher Scientific
Ethyl 4,4,4-trifluoroacetoacetate, 97% from Thermo Fisher Scientific
Ethyl N-piperazinecarboxylate, 99% from Thermo Fisher Scientific