1-甲基-4-苯基-哌啶

(1-甲基-4-苯基-1,2,3,6-四氢-3-吡啶基)甲醇

1-甲基-4-苯基-2,3-二氢吡啶鎓

1-methyl-1-oxido-4-phenyl-3,6-dihydro-2H-pyridin-1-ium

N-methyl-4-phenylpyridinium