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Images of (a) a toluene solution of cis-SG1 (1.5 mg/mL) and (b) the gel obtained after 385 nm irradiation for 3 min and keeping at room temperature for 10 min. 1H NMR spectra of (c) a solution of cis-SG1 and (d) the gel obtained after irradiation with 385 nm light (CDCl3, 298 K, 400 MHz). Samples were characterized after drying from toluene. (e) Cryo-TEM image of the gel formed by trans-SG1 (1.5 mg/mL) in toluene.
