alpha-ketoglutaric acid, 2-oxoglutaric acid, oxoglutarate, alpha ketoglutarate molecule

alpha-ketoglutaric acid 2-oxoglutaric oxoglutarate alpha ketoglutarate krebs cycle age ageing dietary longevity supplement keto a-kg akg ammonia glutarate glutaric ketoglutaric lifespan oxo drawing flat icon hydrogen carbon oxygen organic chemistry formula chemical atomic molecule molecular structure atom compound design vector sheet notebook cage intermediate metabolite paper structural model