6-(5-chloropyridin-2-yl)-7-oxo-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazin-5-yl piperazine-1-carboxylate hydrochloride;5H-Pyrrolo[3,4-b]pyrazine, 1-piperazinecarboxylic acid deriv. HCl;Desmethylzopiclone HCl;N-Demethylzopiclone HCl;N-Desmethyl zopiclone HCl;Norzopiclone HCl;RP 32273 HCl
