Supplier Page from Thermo Fisher Scientific for 1-(2-Bromoethyl)-4-ethyl-1,4-dihydro-5H-tetrazol-5-one, 95%
4-Ethylphenol, 97% from Thermo Fisher Scientific
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Eicosanoic acid, 98% from Thermo Fisher Scientific
Ethylenediaminetetraacetic acid, 99%, pure from Thermo Fisher Scientific