Supplier Page from Thermo Fisher Scientific for (R)-4-(Boc-amino)-2-(Fmoc-amino)butyric acid, 98%
1-Ethylpiperidine, 99% from Thermo Fisher Scientific
2-Ethyl-1,3-hexanediol, 99%, mixture of isomers from Thermo Fisher Scientific
2-Fluorobenzaldehyde, 97% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific