4-乙烯基吡啶

奎宁环

phenyl-[4-[[(2S,3S)-3-phenyloxiran-2-yl]methyl]piperidin-1-yl]methanone

4-ethenyl-1-methylpyridin-1-ium,iodide

2-pyridin-4-ylethyl 2-phenylacetate