x:yn-z
x- number of carbons
y- number of unsaturations/ duoble bonds
z- position from terminal methyl group of first unsaturation
palmitate
16:0
palmitoleate
16:1 n-7
stearate
18:0
oleate
OA
18:1 n9
linoleate
LA
18:2n-6
a-Linolenate
ALA
18:3n-3
Arachidate
20:0
Arachidonate
20:4n-6
Eicosapentaenate
EPA
20:5n-3
Docosapentaenoate
22:5n-6
Docohexaenate
DHA
22:6n-3