The new synthetic compound of 2,2-dimethyl-butanoic acid has been separated and analyzed by GC-MS.2,2-dimethyl-butanoic acid has been identified in the compound.

• 采用气相色谱-质谱联用法(GC-MS)首次分离鉴定了新合成的2，2-二甲基丁酸合成液，共分离出6个组分，经质谱裂解机理研究，鉴定出里面确含2，2-二甲基丁酸。