Supplier Page from Thermo Fisher Scientific for 1H-Tetrazole, 0.45M in acetonitrile
2-Ethoxyethyl ether, 98+%, extra pure from Thermo Fisher Scientific
2-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
Ethyl 3-aminobenzoate, methanesulfonic acid salt, 98% from Thermo Fisher Scientific
Ethyl propiolate, 99% from Thermo Fisher Scientific