Based on the SMILES representation CC[C@@H](CO)NCCN[C@@H](CC)CO, the molecule is not permeable through the membrane separating circulating blood and extracellular brain fluid.
Based on the {SMILES__description} {#representation |!}{SMILES#}, the molecule is {p_np#not &NULL}{p_np__names__adjective}.
CC[C@@H](CO)NCCN[C@@H](CC)CO
CC[C@@H](CO)NCCN[C@@H](CC)CO
(2S)-2-[2-[[(2S)-1-hydroxybutan-2-yl]amino]ethylamino]butan-1-ol