脂肪烃是指具有脂肪族化合物基本属性的碳氢化合物叫做脂肪烃。分子中碳原子间通过共价键连接形成链状的碳架，两端张开而不成环的烃，叫做开链烃，简称链烃。因为脂肪具有这种结构，所以也叫做脂链烃。有些环烃在性质上不同于芳香烃，而十分类似脂链烃，这类环烃叫脂环烃。这样，脂肪烃便成为除芳香烃以外的所有烃的总称。脂链烃和它的衍生物与脂环烃及它的衍生物总称脂肪族化合物。
H-Ser-Leu-Ile-Gly-Arg-Leu-OH trifluoroacetate
(S)-6-Amino-N-(2-(((2S,3S)-1-(((S)-1-(((S)-1-amino-3-hydroxy-1-oxopropan-2-yl)amino)-4-methyl-1-oxopentan-2-yl)amino)-3-methyl-1-oxopentan-2-yl)amino)-2-oxoethyl)-2-((S)-2-amino-3-methylbutanamido)hexanamide 2,2,2-trifluoroacetate
(S)-6-Amino-N-((S)-1-amino-4-methyl-1-oxopentan-2-yl)-2-((S)-2-((S)-2-amino-4-methylpentanamido)-3-hydroxypropanamido)hexanamide 2,2,2-trifluoroacetate
(S)-2-((S)-4-Amino-4-carboxybutanamido)pentanedioic acid trifluoroacetate
Gly-Arg-Gly-Asp-Ser TFA
(Z)-Octadec-9-en-1-yl methacrylate
1,4-Bis(chloromethoxy)butane
Tetrakis(dimethyl(vinyl)silyl) orthosilicate
4-Amino-4-methylpentanenitrile
(R)-2,3-Bis(icosanoyloxy)propyl (2-(trimethylammonio)ethyl) phosphate
Cholesteryl n-butyrate
2-ethylhexylhydrogen-2-ethylhexylphosphonate
Tributyl(Ethyl)phosphonium bromide
1,5-Dichloro-2-ethyl-4-nitrobenzene
Methanetrisulfonic acid
(S)-4-((S)-2-Aminopropanamido)-5-(((S)-3-carboxy-1-((carboxymethyl)amino)-1-oxopropan-2-yl)amino)-5-oxopentanoic acid acetic acid
