Supplier Page from Thermo Fisher Scientific for 1,4,8,11-Tetramethyl-1,4,8,11-tetraazacyclotetradecane
4'-Fluoroacetophenone, 99% from Thermo Fisher Scientific
Ethyl cyanoacetate, 98+% from Thermo Fisher Scientific
Ethylenediamine, 99% from Thermo Fisher Scientific
Fluorescein isothiocyanate isomer I, 90%, pure from Thermo Fisher Scientific