N-Desmethyl Zopiclone Hydrochloride | 6-(5-CHLOROPYRIDIN-2-YL)-7-OXO-6,7-DIHYDRO-5H-PYRROLO[3,4-B]PYRAZIN-5-YL PIPERAZINE-1-CARBOXYLATE |
1-Piperazinecarboxylic acid 6-(5-chloro-2-pyridinyl)-6,7-dihydro-7-oxo-5H-pyrrolo[3,4-b] pyrazin-5-yl ester | Piperazine -1-carboxylic Acid 6-(5-Chloro-pyridin-2-yl)-7-oxo-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazin-5yl Ester Hydrochloride |