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一、引言Choi等于1983年报道了2—亚甲基—8,9—苯并—1,4,6—三氧螺[4.4]壬烷(BMTN)的合成和聚合,并提出了BMTN
I. INTRODUCTION Choi et al. Reported the synthesis and polymerization of 2-methylene-8,9-benzo-1,4,6-trioxaspiro [4.4] nonane (BMTN)