Supplier Page from Thermo Fisher Scientific for 1-Propylphosphonic acid cyclic anhydride, 50+% w/w soln. in acetonitrile
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethylene carbonate, 99+% from Thermo Fisher Scientific
L(-)-Menthol, 99.5% from Thermo Fisher Scientific
Riboflavin, 98% from Thermo Fisher Scientific