"Hexahydro-1H-pyrido[1,2-a]pyrazin-4(6H)-one hydrochloride"
"Hexahydro-1H-pyrido[1,2-a]pyrazin-4(6H)-one hydrochloride"
"Hexahydro-1H-pyrido[1,2-a]pyrazin-4(6H)-one hydrochloride"
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