Supplier Page from Thermo Fisher Scientific for (-)-3,4-Dihydroxy-µa-methyl-L-phenylalanine sesquihydrate, 99%
Ethyl 4-bromocrotonate, 75%, tech from Thermo Fisher Scientific
Ethyl chloroformate, 99% from Thermo Fisher Scientific
Ethyl phenylpropiolate, 98% from Thermo Fisher Scientific
Ethylenediaminetetraacetic acid, tetrasodium salt hydrate, 98%, pure from Thermo Fisher Scientific