Preferred head-to-tail adduct in solid-state [2+2] photodimerization of 2-pyrone-5-carboxylic acid.

Tetsuro Shimo, Mitsuhito Matsushita, Weidong Wang, Tetsuo Iwanaga, Teruo Shinmyozu, Kenichi Somekawa

Analytical Sciences: X-ray Structure Analysis Online

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