Supplier Page from Thermo Fisher Scientific for Methacrylic anhydride, 94%, stab. with ca 0.2% 2,4-dimethyl-6-tert-butylphenol
3-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
Ethyl 4-dimethylaminobenzoate, 99+% from Thermo Fisher Scientific
Ethyl carbazate, 97% from Thermo Fisher Scientific
Ethyl cyanoformate, 99% from Thermo Fisher Scientific