Synonyms: (?à)-Octahydro-2H-pyrido[1,2-a]pyrazine;1,4-Diazabicyclo[4.4.0]decane;2,3,4,6,7,8,9,9a-Octahydro-1H-pyrido[1,2-a]pyrazine;2-Azaquinolizidine;Octahydro-1H-pyrido[1,2-a]pyrazine;Octahydro-2H-pyrido[1,2-a]pyrazine;Octahydropyrido[1,2-a]pyrazine;