2-Methyl-(3 or 5 or 6)-(methylthio)pyrazine (mixture of isomers)
is like roasted almonds, hazelnuts. This may be prepared from
2-methylchloropyrazine; a mixture of 2-methyl-3-methylthiopyrazine,
2-methyl-5-methylthiopyrazine, and 2-methyl-6-methylthiopyrazine
is obtained.
