(S)-HEXAHYDRO-PYRROLO[1,2-A]PYRAZIN-1-ONE

(R)-HEXAHYDRO-PYRROLO[1,2-A]PYRAZIN-1-ONE

(R)-HEXAHYDROPYRROLO[1,2-A]PYRAZIN-1(2H)-ONE

(S)-HEXAHYDROPYRROLO[1,2-A]PYRAZIN-1(2H)-ONE

(8aS)-hexahydro-Pyrrolo[1,2-a]pyrazin-1(2H)-one