丁烷的

Among the more common acids are the butanoic acids, the pentanoic acids, the heptanoic acids and the octanoic acids. 丁酸、戊酸、庚酸和辛酸是更为常用的酸。

OBJECTIVE To study the synthetic method of 4,4-bis(diethoxyphosphoryl) butanoic acid. 目的探讨4,4-二(二乙氧膦酰)-丁酸的合成研究。

The major chemical constitutes in essential oil were ester and alcoho.The major chemical compound was butanoic acid ethyl ester (86.89%). 其主要成分是酯类、醇类物质，其中丁酸乙酯的相对含量高达86.

The major chemical constitutes in essential oil were ester and alcoho.The major chemical compound was butanoic acid ethyl ester((86.89%)). 其主要成分是酯类、醇类物质

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。