arachidonic acid molecular structure 3d, flat model, omega-6 fatty acid, structural chemical formula view from a microscope

arachidonic acid aa ara polyunsaturated omega6 fatty cupuacu butter molecule molecular structure chemical formula c20h32o2 3d model chemistry atom nutritional science atomic phospholipid prostaglandin unsaturated carbon oxygen hydrogen structural healthcare and medicine organic precursor bodybuilding supplement biological medical muscle nervous pharmacy research biochemistry