Supplier Page from Thermo Fisher Scientific for 1-(2-Bromoethyl)-4-ethyl-1,4-dihydro-5H-tetrazol-5-one, 95%
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethyl cyanoacetate, 98+% from Thermo Fisher Scientific
Flavone, 99+% from Thermo Fisher Scientific
Furfuryl alcohol, 98% from Thermo Fisher Scientific