Supplier Page from Thermo Fisher Scientific for 2,3-Diphenylpyrazine, 98%
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethyl trifluoroacetate, 99% from Thermo Fisher Scientific
Eugenol, 99% from Thermo Fisher Scientific
Farnesol, 96%, mixture of isomers from Thermo Fisher Scientific