Supplier Page from Thermo Fisher Scientific for (Formylmethylene)triphenylphosphorane, 97%, may cont. up to ca 3% water
Allyl glycidyl ether, 99+% from Thermo Fisher Scientific
D-Sorbitol, 97% from Thermo Fisher Scientific
Ethyl cyanoformate, 99% from Thermo Fisher Scientific
Itaconic acid, 99+% from Thermo Fisher Scientific