a type of cyclization reaction in which a five-membered ring is formed via nucleophilic attack
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Benzene, 1-[1-(difluoromethylene)pentyl]-2-methoxy-
5,5-difluoro-4-phenylpent-4-en-1-ol
5,6,7,8-tetradeoxy-5,8-(N-benzyloxycarbonylimino)-1,2-O-isopropylidene-β-L-ido-oct-1,4-furanose
