Supplier Page from Thermo Fisher Scientific for 1-Boc-N-Fmoc-L-tryptophan, 97%
9-Fluorenone, 99+% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethyl indole-2-carboxylate, 97% from Thermo Fisher Scientific
Fluorobenzene, 99% from Thermo Fisher Scientific