Supplier Page from Thermo Fisher Scientific for Mesitylenesulfonic acid sodium salt hemihydrate, 98%
1-Ethylpiperidine, 99% from Thermo Fisher Scientific
DL-Ethyl 2-bromopropionate, 99% from Thermo Fisher Scientific
Dulcitol, 99+% from Thermo Fisher Scientific
Ethyl oxalyl chloride, 98% from Thermo Fisher Scientific