Supplier Page from Thermo Fisher Scientific for Nµa-Fmoc-Nµw-(2,2,4,6,7-pentamethyl-2,3-dihydrobenzo[b]furan-5-ylsulfonyl)-L-µb-homoarginine, 95%
2-Ethoxyethyl ether, 98+%, extra pure from Thermo Fisher Scientific
2-Ethylaniline, 98% from Thermo Fisher Scientific
3-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific