tert-butyl 2-[(3R,4S)-3-ethenylpiperidin-4-yl]acetate

(3R,4S)-4-(2-chloroethyl)-3-ethenylpiperidine

(3R)-3-ethenyl-1-azabicyclo[2.2.2]octane

2-((3S,4R)-3-Vinyl-piperidin-4-yl)-ethanol

奎宁