Supplier Page from Thermo Fisher Scientific for (R)-3-Amino-1,2-propanediol, 98%
2-Ethoxyethyl ether, 98+%, extra pure from Thermo Fisher Scientific
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethyl propiolate, 99% from Thermo Fisher Scientific