5-butan-2-yl-2,3-dimethylpyrazine;2,3-dimethyl-5-sec-butyl-pyrazine;2,3-dimethyl-5-sec-butylpyrazine;5-butan-2-yl-2,3-dimethyl-pyrazine;Pyrazine, 2,3-dimethyl-5-(1-methylpropyl)-;Pyrazine, 5-sec-butyl-2,3-dimethyl-
5-butan-2-yl-2,3-dimethylpyrazine