N-甲基哌嗪

(S)-2-chloroethyl (6-(5-chloropyridin-2-yl)-7-oxo-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazin-5-yl) carbonate

(S)-(+)-6-(5-chloro-2-pyridinyl)-7-(4-methylpiperazin-1-yl-carbonyloxy)-6,7-dihydro-5h-pyrrolo[3,4-b]pyrazine-5-one D-(+)-malate

(S)-zopiclone N-acetyl-D-aspartate

(S)-zopiclone N-acetyl-L-aspartate