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Будьте любезны Cyclic Tetrathiophenes Planarized by Silicon and Sulfur Bridges Bearing Antiaromatic Cyclooctatetraene Core: Syntheses, Structures, and Properties
Takeshi Ohmae, Tohru Nishinaga, Mo Wu and Masahiko Iyoda
J. Am. Chem. Soc

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http://dx.doi.org/10.1021/ja908161r

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