Figure 1From: Neuroprotective effect of novel cognitive enhancer noopept on AD-related cellular model involves the attenuation of apoptosis and tau hyperphosphorylationChemical structures of piracetam and noopept. The structural similarity of piracetam (A) to noopept (B). Both molecules contain pyrrolidine ring, acylated nitrogen in this ring, amide moiety and the fragment of glycine.Back to article page