SMILES: C1CN[C@@H](CN1)C(=O)N
Description: The molecule is a piperazine-2-carboxamide having (S)-configuration. It is a conjugate base of a (S)-piperazin-4-ium-2-carboxamide(1+). It is an enantiomer of a (R)-piperazine-2-carboxamide.