N'-[1-(3,4-dihydro-2H-pyridin-1-yl)-1-hydroxyethyl]-2-(3-methoxyanilino)quinoline-4-carbohydrazide

哌啶-1-羧酸

piperidinium bicarbonate

prop-2-enyl piperidine-1-carboxylate

1-(1,4-dioxaspiro[4.5]dec-7-en-8-yl)piperidine