Supplier Page from Thermo Fisher Scientific for Methyl Red, 0.02% w/v solution in methanol
4-Fluoroanisole, 99% from Thermo Fisher Scientific
Ethyl 3-aminobenzoate, methanesulfonic acid salt, 98% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethyl chloroacetate, 99% from Thermo Fisher Scientific