Supplier Page from Thermo Fisher Scientific for (R)-N-BOC-Propargylglycine, 95%, 98% ee
4-Ethylphenol, 97% from Thermo Fisher Scientific
4-Fluoroaniline, 98% from Thermo Fisher Scientific
Ethyl 3-aminocrotonate, 98.5% from Thermo Fisher Scientific
Ethyl butyrate, 99% from Thermo Fisher Scientific