Synthesis Route for 41110-34-3

5521-55-1
5-Methylpyrazine...
64-17-5
Ethanol
~93%
41110-34-3
Ethyl 5-methylpy...

Reference:

ISP INVESTMENTS INC. Patent: US2005/261312 A1, 2005 ; Location in patent: Page/Page column 2 ;