levetiracetam epilepsy seizures drug molecule. s-isomer of etiracetam. skeletal formula.

levetiracetam epilepsy seizures drug molecule etiracetam skeletal formula anticonvulsant seizure seirures enantiomer myoclonic tonic tourette autism bipolar anxiety alzheimer neuropathic hydrogen carbon oxygen nitrogen atoms atomic molecular compound composition chemical chemistry structure line drawing flat icon vector