Supplier Page from Thermo Fisher Scientific for (S)-(4,4',5,5',6,6'-Hexamethoxybiphenyl-2,2'-diyl)bis(bis[3,5-dimethylphenyl]phosphine), 97%
4-Fluorobenzenesulfonyl chloride, 98% from Thermo Fisher Scientific
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethyl cyanoformate, 99% from Thermo Fisher Scientific
Eugenol, 99% from Thermo Fisher Scientific