1-benzyl-4-butylidenepiperidine

N-tert-butyl-1-(4-butyl-3,4-dihydro-2H-pyridin-1-yl)methanimine

N-tert-butyl-1-(3,6-dihydro-2H-pyridin-1-yl)methanimine

phenyl 4-butylpiperidine-1-carboxylate

N-苄基哌啶酮