Supplier Page from Thermo Fisher Scientific for (R)-(4,4',5,5',6,6'-Hexamethoxybiphenyl-2,2'-diyl)bis(bis[3,5-dimethylphenyl]phosphine), 97%
1,2-Bis(2-aminophenoxy)-ethane-N,N,N'N'-tetraacetic acid, 97% from Thermo Fisher Scientific
Estrone, 99+% from Thermo Fisher Scientific
L-Serine methyl ester hydrochloride, 98% from Thermo Fisher Scientific
Propionaldehyde, 99+% from Thermo Fisher Scientific