[(7S)-6-(5-chloropyridin-2-yl)-5-oxo-7H-pyrrolo[3,4-b]pyrazin-7-yl] 4-methylpiperazine-1-carboxylate [(7S)-6-(5-chloro-2-pyridyl)-5-oxo-7H-pyrrolo[3,4-b]pyrazin-7-yl] 4-methylpiperazine-1-carboxylate 4-methyl-1-piperazinecarboxylic acid [(7S)-6-(5-chloro-2-pyridyl)-5-oxo-7H-pyrrolo[3,4-b]pyrazin-7-yl] ester 4-methylpiperazine-1-carboxylic acid [(7S)-6-(5-chloro-2-pyridyl)-5-keto-7H-pyrrolo[3,4-b]pyrazin-7-yl] ester 138729-47-2 NCGC00159515-02 Eszopiclone (+)-Zopiclone Lunivia SEP-225441 D02624 Estorra (TN) Eszopiclone (USAN) Lunesta (TN) Eszopiclone [USAN:INN] (5S)-6-(5-Chloropyridin-2-yl)-7-oxo-6,7-dihydro-5H-pyrrolo(3,4-b)pyrazin-5-yl 4-methylpiperazine-1-carboxylate (S)-Zopiclone (plus)-Zopiclone 1-Piperazinecarboxylic acid, 4-methyl-, (5S)-6-(5-chloro-2-pyridinyl)-6,7-dihydro-7-oxo-5H-pyrrolo(3,4-b)pyrazin-5-yl ester Estorra KS-1055 SPECTRUM1505188 Lunesta