Supplier Page from Thermo Fisher Scientific for (R)-3-(Fmoc-amino)-3-(2-nitrophenyl)propionic acid, 98%
2-Ethoxyethyl ether, 98+%, extra pure from Thermo Fisher Scientific
3-Fluorobenzaldehyde, 98+% from Thermo Fisher Scientific
Ethyl oxalyl chloride, 98% from Thermo Fisher Scientific
Ethylenediaminetetraacetic acid, tetrasodium salt hydrate, 98%, pure from Thermo Fisher Scientific