Supplier Page from Thermo Fisher Scientific for 1,3-Difluoro-5-iodobenzene, 98%
4-Ethylphenol, 97% from Thermo Fisher Scientific
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Formamidinesulfinic acid, 99% from Thermo Fisher Scientific
Glyoxylic acid monohydrate, 98%, pure from Thermo Fisher Scientific