FA  Fatty acyls

   FA01 Fatty Acids and Conjugates

   FA02 Octadecanoids

   FA03 Eicosanoids

   FA04 Docosanoids

     FA0401 Neuroprostanes

     FA0402 Neurofurans

     FA0403 Resolvin Ds

     FA0404 Protectins

     FA0405 Maresins

     FA0406 Docosa-1,2-dioxolanes

     FA0400 Other Docosanoids

   FA05 Fatty alcohols

   FA06 Fatty aldehydes

   FA07 Fatty esters

   FA08 Fatty amides

   FA09 Fatty nitriles

   FA10 Fatty ethers

   FA11 Hydrocarbons

   FA12 Oxygenated hydrocarbons

   FA13 Fatty acyl glycosides

   FA00 Other Fatty Acyls

 GL  Glycerolipids

 GP  Glycerophospholipids

 SP  Sphingolipids

 ST  Sterol lipids

 PR  Prenol lipids

 SL  Saccharolipids

 PK  Polyketides