(3-ethenyl-1-methylcyclohex-3-en-1-yl)-dimethyl-phenylsilane

methyl 2-ethenylpyridine-3-carboxylate

(6-乙烯基-2-吡啶基)甲醇

2-乙烯吡啶

4-乙烯基苯甲酸甲酯