2-METHYL-3(5/6)(FURFURYLTHIO) PYRAZINE;2-METHYL-3(5)(6)-FURFURYLTHIOPYRAZINE MIXTURE;2-METHYL-3,5 OR 6-(FURFURYLTHIO)-PYRAZINE;2-FURFURYLTHIO-3(5/6)-METHYL PYRAZINE;2-FURFURYLTHIO-3-METHYLPYRAZINE;FEMA NUMBER 3189;FEMA 3189;FURFURYLTHIO-3-METHYLPYRAZINE