The chemical with the SMILES of NNC(=O)c1ccncc1 displays no permeability through the membrane separating circulating blood and extracellular brain fluid.
The {#compound|chemical!} with the {SMILES__description} of {SMILES#} {#shows|exhibits|displays!} {p_np#no &NULL}{p_np__names__noun}.
NNC(=O)c1ccncc1
NNC(=O)c1ccncc1
pyridine-4-carbohydrazide