Supplier Page from Thermo Fisher Scientific for 3,5-Dimethoxy-4-hydroxycinnamic acid, 98%, predominantly trans isomer
2-Ethylaniline, 98% from Thermo Fisher Scientific
Ethyl benzoate, 99+% from Thermo Fisher Scientific
Ethyl carbazate, 97% from Thermo Fisher Scientific
Iron(III) acetylacetonate, 99+% from Thermo Fisher Scientific