Patent ID: 11891364
Assignee: R.J. REYNOLDS TOBACCO COMPANY
Field: Other consumer goods (Other fields)
Classification: CPC C  A | IPC A  C

Claim 9:
10. The method of claim 1, wherein the at least one substituted pyrazine is selected from the group consisting of: 2,6-dimethylpyrazine; 2,5-dimethylpyrazine; 2-ethyl-5-methylpyrazine; 2-ethyl-6-methylpyrazine; 2,3,5-trimethylpyrazine; 2-ethyl-3,5-dimethylpyrazine; 2-ethyl-2,5-dimethylpyrazine; 2,3,5,6-tetramethylpyrazine; 2,3,5-trimethyl-6-ethylpyrazine; 2,6-dimethyl-3-propylpyrazine; 2,5-diethyl-3,6-dimethylpyrazine; 2,6-dimethyl-3-(2-methylbutyl)pyrazine; 2,5-dimethyl-3-(2-methylbutyl)pyrazine; 2,5-dimethyl-3-(3-methylbutyl)pyrazine; 2,5-dimethyl-3-propylpyrazine; 2,5-dimethyl-3-cis-propenylpyrazine; 2-isopropenyl-3,6-dimethylpyrazine; 2-(2-methylpropyl)-3,5-dimethylpyrazine; 2,6-dimethyl-3-isobutylpyrazine; 2-(2-methylpropyl)-3,5,6-trimethylpyrazine, 2,3-dimethylpyrazine; trimethylpyrazine; 2,5-dimethyl-3-ethylpyrazine; tetramethylpyrazine; 2,3-diethyl-5-methylpyrazine; 2,5-dimethyl-3-propenylpyrazine; 2,3,5-trimethyl-6-isopropylpyrazine; 2-acetyl-4,5-dimethylpyrazine; 3,5-dimethyl-2-methylpropylpyrazine; 2,6-diethylpyrazine; 2,5-diethylpyrazine; 2-ethyl-3,5,6-trimethylpyrazine; -3,5-dimethyl-2-(n-propyl)pyrazine; 3,6-dimethyl-2-(n-propyl)pyrazine; 2,5-diethyl-3-methylpyrazine; 2,3-diethyl-5,6-dimethylpryazine; trans-3-methyl-2-(n-propyl)-6-(butenyl)pyrazine; 2,5,7-trimethyl-6,7-dihydro-5H-cyclopentapyrazine; and 2,5-dimethyl-3-ethylpyrazine; and combinations thereof.