(+-)-Zopiclone 1-Piperazinecarboxylic acid, 4-methyl-, 6-(5-chloro-2-pyridinyl)-6,7-dihydro-7-oxo-5H-pyrrolo(3,4-b)pyrazin-5-yl ester 138680-07-6 27267 R.P. 4-Methyl-1-piperazinecarboxylic acid ester with 6-(5-chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo(3,4-b)pyrazin-5-one 43200-80-2 Amoban Amovane BRN 0768704 EINECS 256-138-9 Imovane RP 27267 ZOPICLONE Zopiclona [INN-Spanish] Zopiclone [BAN:INN:JAN] Zopiclonum [INN-Latin]