Supplier Page from Thermo Fisher Scientific for N,N-Dimethylformamide, 99.8%, Extra Dry, AcroSeal®
2-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Ethyl L(-)-lactate, 97% from Thermo Fisher Scientific
Ethylenediamine, 99% from Thermo Fisher Scientific