Supplier Page from Thermo Fisher Scientific for (Chloromethyl)triphenylphosphonium chloride, 95%, tech
DL-Ethyl 2-bromopropionate, 99% from Thermo Fisher Scientific
Ethyl 4,4,4-trifluoroacetoacetate, 97% from Thermo Fisher Scientific
Ethyl L(-)-lactate, 97% from Thermo Fisher Scientific