Supplier Page from Thermo Fisher Scientific for 2-Amino-6-methyl-4(3H)-quinazolone, 96%
Ethyl (ethoxymethylene)cyanoacetate, 98% from Thermo Fisher Scientific
Ethyl butyrylacetate, 98% from Thermo Fisher Scientific
Fumaric acid, 99+% from Thermo Fisher Scientific
Glutaric dialdehyde, 25 wt.% solution in water from Thermo Fisher Scientific