Supplier Page from Thermo Fisher Scientific for (R)-(4,4',5,5',6,6'-Hexamethoxybiphenyl-2,2'-diyl)bis(diphenylphosphine), 97%
1,2-Ethanedithiol, 95% from Thermo Fisher Scientific
4-Ethylphenol, 97% from Thermo Fisher Scientific
Ethyl dichlorophosphate, 97% from Thermo Fisher Scientific
Ethyl indole-2-carboxylate, 97% from Thermo Fisher Scientific