2,3,5-Trimethyl-Pyrazine 

2,3,5,6-Tetramethyl-Pyrazine 

2,3-Diethyl-5-Methyl-Pyrazine 

2-Methyl-3(5/6)-Methoxy-Pyrazine 

2-Methyl-3(5/6)-Ethoxy-Pyrazine 

2-Acetyl-3,5(6)-Dimethyl-Pyrazin... 

3-Acetyl-Pyridine 

2-Acetyl-Pyrazine 

2-Isobutyl-3-Methyl-Pyrazine 

2-Ethyl-3,5(6)-Dimethyl-Pyrazine 

2-Acetyl-Thiazole 

2-Methyl-3-Mercapto-Furan 

4-Hydroxy-2,5-Dimethyl-3(2h)-Fur... 

2-Acetyl-Pyrrole 

Methyl-Thiobutyrate 

1-Octen-3-Ol 

N-Furfuryl-Pyrrole 

2-Acetyl-Pyridine 

3-Ethyl-Pyridine 

2-Methyl-3(5/6)-Methylthio-Pyraz... 

4,5-Dimethyl-Thiazole 

2-Ethoxy-3-Isobutyl-Pyrazine 

2-Ethoxy-3-Secbutyl-Pyrazine 

Pyrazine-Ethanethiol 

5-Methyl-Quinoxaline 

2-Mercapto-Methyl-Pyrazine 

2,5-Diethyl-3,6-Dimethyl-Pyrazin... 

2-Amino-Pyrazine 

2-Acetyl-Thiazole 

2-Ethyl-4-Methyl-Thiazole 

2-Isopropyl-4-Methyl-Thiazole 

2,4-Dimethyl-5-Acetyl-Thiazole 

2-Ethoxy-3-Isopropyl-Pyrazine 

2-Methoxy-3-Isopropyl-Pyrazine 

2,3-Diethyl-Pyrazine 

5h-5-Methyl-6,7-Dihydrocylopenta... 

2-Methyl-3(5/6)-Furfurylthio-Pyr... 

2-Methoxy-3-Isobutyl-Pyrazine 

2-Methoxy-3-Secbutyl-Pyrazine 

2-Ethyl-Pyrazine 

5,6,7,8-Tetrahydroquinoxaline 

2-Methoxy-Pyrazine 

2-Methylthio-Pyrazine 

2-Mercapto-Pyrazine 

2-Methyl-5-Ethyl-Pyrazine