tert-butyl N-methyl-N-(1-pyridin-4-ylcyclopropyl)carbamate;tert-butyl 3-[methyl-(1-pyridin-4-ylcyclopropyl)carbamoyl]-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazine-5-carboxylate;tert-butyl N-(1-pyridin-4-ylcyclopropyl)carbamate;2-(1-imino-1lambda5-chloracyclohexa-1,3,5-trien-4-yl)acetic acid;1-(1-imino-1lambda5-chloracyclohexa-1,3,5-trien-4-yl)-N-methylcyclopropan-1-amine;methyl 2-pyridin-4-ylacetate;methyl 1-pyridin-4-ylcyclopropane-1-carboxylate;1-pyridin-4-ylcyclopropane-1-carboxylic acid;hydrochloride