di-tert-butyl 5,6-dihydropyridine-1,4(2H)-dicarboxylate

1-苄基-1,2,3,6-四氢吡啶-4-甲酸

1-benzyl-1,2,3,6-tetrahydropyridine-4-carbaldehyde

(1-苄基-1,2,3,6-四氢吡啶-4-基)甲醇

1-benzyl-2,6-dioxo-1,2,3,6-tetrahydropyridine-4-carboxylic acid ethyl ester