관리번호	물질명	CAS	FEMA	이명
A021	2-Acetyl-3,(5 or 6)-dimethylpyrazine	54300-08-2, 54300-09-3	3327	3-Acetyl-2,5-dimethylpyrazine; 2-Acetyl-3,5-dimethylpyrazine and 3-acetyl-2,5- dimethylpyrazine; 3-Acetyl-2,5-dimethylpyrazine and 3-acetyl-2,6-dimethylpyrazine mixture