Supplier Page from Thermo Fisher Scientific for tert-Butyldimethylsilyl trifluoromethanesulfonate, 98%
1-Heptanol, 98% from Thermo Fisher Scientific
D-Cystine, 98% from Thermo Fisher Scientific
Methyl acetoacetate, 99+% from Thermo Fisher Scientific
Shikimic acid, 98% from Thermo Fisher Scientific