oxiracetam nootropic drug molecule. 3d rendering. atoms are represented as spheres with conventional color coding: hydrogen white

oxiracetam nootropic drug molecule 3d rendering atoms are represented as spheres conventional color coding hydrogen white oxiracetame ampakine racetam ampa receptor neuroprotective alzheimer smart cognitive enhancer supplement food dietary stimulant dementia atomic model molecular compound composition chemical chemistry science scientific carbon grey oxygen red nitrogen blue