Eszopiclone138729-47-2100 % similar Zopiclone43200-80-2100 % similar 6-(5-Chloro-2-pyridinyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-B]pyrazin-5-one43200-81-358 % similar (5-Chloro-1H-indol-2-yl)(4-methyl-1-piperazinyl)methanone459168-41-335 % similar Loratadine ketone130642-50-133 % similar N-Methyldesloratadine38092-89-631 % similar Loratadine79794-75-530 % similar