• 2-Acetyl pyrazine

• 2-Methoxy pyrazine

• 2-Ethyl-3,5(6)-dimethyl pyrazine

• 3-Ethyl-2-methyl pyrazine

• 3-Hydroxy-2-butanone/Acetoin

• 2,3,5,6-Tetramethyl pyrazine

• 2,3,5-Trimethyl pyrazine

• 2,6-Dimethyl pyrazine

• 2,5-Dimethyl pyrazine

• 2,3-Dimethylpyrazine

• 2-Methyl pyrazine

• 5-htp