1-[5-(3,4-Methylenedioxyphenyl)-1-oxo-2,4-pentadienyl]piperidine 7780-20-3 NSC242267 Piperidine, 1-[5-(1,3-benzodioxol-5-yl)-1-oxo-2,4-pentadienyl]- Piperidine, 1-[5-(3,4-methylenedioxyphenyl)-1-oxo-2,4-pentadienyl]-