Supplier Page from Thermo Fisher Scientific for 2,3-Dibromo-4-hydroxy-5-methoxybenzaldehyde, 98%
4'-Fluoroacetophenone, 99% from Thermo Fisher Scientific
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethyl indole-2-carboxylate, 97% from Thermo Fisher Scientific
Ethyl propiolate, 99% from Thermo Fisher Scientific