Supplier Page from Thermo Fisher Scientific for (R)-3-Isopropyl-2,5-dimethoxy-3,6-dihydropyrazine, 98%
4-Ethylaniline, 99+% from Thermo Fisher Scientific
Ethyl 2-oxocyclohexanecarboxylate, 95% from Thermo Fisher Scientific
Ethyl 3-aminocrotonate, 98.5% from Thermo Fisher Scientific
Eugenol, 99% from Thermo Fisher Scientific