It’s only fair to share… ZOPICLONE зопиклон زوبيكلون 佐匹克隆 (±)-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 256-138-9 [EINECS] 43200-80-2 [RN] Structural formula UV- Spectrum Conditions : Concentration – 1 mg / 100 ml The solvent designation schedule methanol water 0.1М HCl 0.1M NaOH maximum absorption There decay 303 nm 304 nm 277 nm 237 nm – 362 364 199 390 e …