Supplier Page from Thermo Fisher Scientific for L-Tyrosine disodium salt, 98%
Ethyl 4-bromocrotonate, 75%, tech from Thermo Fisher Scientific
Ethyl L(-)-lactate, 97% from Thermo Fisher Scientific
Ethyl oxamate, 99% from Thermo Fisher Scientific
Ethyl propiolate, 99% from Thermo Fisher Scientific