Supplier Page from Thermo Fisher Scientific for 1,4-Bis(diphenylphosphino)butane, 98%
3-Iodo-L-tyrosine, 97% from Thermo Fisher Scientific
D-Sorbitol, 97% from Thermo Fisher Scientific
L-Serine, 99% from Thermo Fisher Scientific
Methyl 5-bromovalerate, 97% from Thermo Fisher Scientific