重氮甲烷

fuerstione

4-methyl-3-(3-methyl-but-2-enyl)-cyclohex-4-ene-1,2-dicarboxylic acid anhydride

dimethyl (1E,4E,6Z)-cycloocta-4,6,8-triene-1,4-dicarboxylate

(E)-3-(piperidin-1-yl)acrylamide