Supplier Page from Thermo Fisher Scientific for 1,4-Bis(diphenylphosphino)butane, 98%
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Ellagic acid, 97% from Thermo Fisher Scientific
Ethyl 2-bromoisobutyrate, 98% from Thermo Fisher Scientific
Ethyl 2-oxocyclohexanecarboxylate, 95% from Thermo Fisher Scientific