أرسل هذا في رسالة قصيرة: Iron(III)-catalyzed conia–ene cyclization of 2-alkynic 1,3-dicarbonyl compounds

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   | ||   |  ___  || | .  || | \\_/ || | \\_\ || 
   |_||   |_||  |_|| |_|\_||  \____//   \____//  
   `-`'   `-`   `-`  `-` -`    `---`     `---`