Supplier Page from Thermo Fisher Scientific for Nµa-Fmoc-Nµw-(2,2,4,6,7-pentamethyl-2,3-dihydrobenzo[b]furan-5-ylsulfonyl)-L-arginine, 98%
2-Ethoxybenzamide, 97% from Thermo Fisher Scientific
Ethyl 4,4,4-trifluoroacetoacetate, 97% from Thermo Fisher Scientific
Ethyl oxalyl chloride, 98% from Thermo Fisher Scientific
meso-Erythritol, 99% from Thermo Fisher Scientific