生物酸甲酯
Bcterial Acid Methyl Esters in methyl caproate
醇类标样（5种组分）
1-propanol 1-butanol 2-methyl-1-propanol
1-pentanol 3-methyl-1-butanol
不挥发酸标样混合物（8种组分）
pyruvic acid latic acid oxalacetic acid oxalic acid
methyl malonic acid malonic acid succinic acid fumaric acid