Molecular Formula: C17H17ClN6O4 Formula Weight: 404.81
(5RS)-6-(5-Chloropyridin-2-yl)-7-oxo-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazin-5-yl 4-methylpiperazine-1-carboxylate 4-oxide;Zopiclone oxide