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发表于 2025-3-28 18:23:59
Mechanisms of Pericyclic Reactions,oever. In the present as in the past people were thinking, feeling, acting, planning, organisms capable of clear vision and blindness, creativity and stupidity, reason and self-defeating passion, and as the king of Siam was wont to say in a Broadway musical: etcetera, etcetera, etcetera. It was inco