Supplier Page from Thermo Fisher Scientific for 2-Ethyl-3,5(6)-dimethylpyrazine, 99%, mixture of isomers
2-Furoic acid, 98% from Thermo Fisher Scientific
Ethyl L(-)-lactate, 97% from Thermo Fisher Scientific
Ethyl phenylpropiolate, 98% from Thermo Fisher Scientific
meso-Erythritol, 99% from Thermo Fisher Scientific