Supplier Page from Thermo Fisher Scientific for Methyl 3-methylbenzo[b]thiophene-2-carboxylate, 97%
9-Fluorenone, 99+% from Thermo Fisher Scientific
DL-Ethyl 2-bromopropionate, 99% from Thermo Fisher Scientific
Ethyl propiolate, 99% from Thermo Fisher Scientific
meso-Erythritol, 99% from Thermo Fisher Scientific