Supplier Page from Thermo Fisher Scientific for Isobutyryl chloride, 98%
4'-Fluoroacetophenone, 99% from Thermo Fisher Scientific
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethylenediamine, 99% from Thermo Fisher Scientific