(S)-6-(5-chloropyridin-2-yl)-7-oxo-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazin-5-yl piperazine-1-carboxylate hydrochloride;(+)-N-Desmethylzopiclone;1-Piperazinecarboxylic acid, 6-(5-chloro-2-pyridinyl)-6,7-dihydro-7-oxo-5H-pyrrolo[3,4-b]pyrazin-5-yl ester, (S)-;5H-Pyrrolo[3,4-b]pyrazine, 1-piperazinecarboxylic acid deriv.;SEP 174559
