Preparative three‐dimensional GC and nuclear magnetic resonance for the isolation and identification of two sesquiterpene ethers from Dictyota Dichotoma. - De Grazia, Gemma; Cucinotta, Lorenzo; Sciarrone, Danilo; Donato, Paola; Trovato, Emanuela; Riad, Nacera; Hattab, Mohamed El; Mondello, Luigi; Rotondo, Archimede (Journal of Separation Science, 2023)