vinpocetine molecule. 3d rendering. semisynthetic vinca alkaloid derivative, used as drug and as dietary supplement. atoms are

vinpocetine vinpocetin ethyl apovincaminate vinca alkaloid vincamine periwinkle blood flow cerebral neuroprotective cerebrovascular memory brain dietary supplement nootropic parkinson alzheimer inflammation hydrogen carbon nitrogen oxygen molecule atoms atomic model molecular compound composition chemical chemistry bond structure formula 3d rendering illustration