Conformational Analysis of (+)‐Germacrene D‐4‐ol Using the Crystalline Sponge Method to Elucidate the Origin of its Instability. - Jung, Youngcheol; Mitsuhashi, Takaaki; Kageyama, Ko; Kikuchi, Takashi; Sato, Sota; Fujita, Makoto (Chemistry - A European Journal, 2024)