Synonyms |
4-[[[(5RS)-6-(5-Chloropyridin-2-yl)-7-oxo-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazin-5-yl]oxy]carbonyl]-1-methylpiperazine 1-oxide ; 4-(((6-(5-chloropyridin-2-yl)-7-oxo-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazin-5-yl)oxy)carbonyl)-1-methylpiperazine 1-oxide ; Zopiclone Oxide ; Zopiclone N-oxide ; Zopiclone EP Impurity A ; Eszopiclone USP Related Compound A |