Supplier Page from Thermo Fisher Scientific for (R)-3-Isopropyl-2,5-dimethoxy-3,6-dihydropyrazine, 98%
2-Ethylaniline, 98% from Thermo Fisher Scientific
Eicosanoic acid, 98% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethyl indole-2-carboxylate, 97% from Thermo Fisher Scientific