Supplier Page from Thermo Fisher Scientific for 1,3-Propanedisulfonic acid disodium salt, 99% (dry wt.)
2-Fluoroaniline, 99+% from Thermo Fisher Scientific
3-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
Ethoxymethylenemalononitrile, 98% from Thermo Fisher Scientific
Ethyl chloroacetate, 99% from Thermo Fisher Scientific