Supplier Page from Thermo Fisher Scientific for 2,3-Dibromo-4-hydroxy-5-methoxybenzaldehyde, 98%
DL-Glutamic acid monohydrate, 98+% from Thermo Fisher Scientific
Ethyl 3-chloropropionate, 98% from Thermo Fisher Scientific
Ethyl phenylpropiolate, 98% from Thermo Fisher Scientific