arachidonic acid, aa, ara molecule. it is unsaturated omega-6 fatty acid, is precursor in biosynthesis of prostaglandins,

acid anandamide ara arachidic arachidonate arachidonic atom atomic blue carbon carboxylic chemical chemistry dark diacylglycerol drawing eicosanoid eicosatetraenoic fatty flat formula hydrogen icon illustration leukotriene lipase molecular molecule nutritional omega6 organic oxygen phospholipase phospholipid polyunsaturated precursor prostaglandin structural structure supplement thromboxane unsaturated vector white