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(a) Chemical structures of used compounds. (b) The image of shape-memory effect of photocross-linked 7-(3,5-dicarboxyphenyl) carbonylmethoxycoumarin (ICM)/polycaprolactone (PCL)-10,000 for transition from temporary (1) to permanent shape (4) at 60 °C. Adapted from [199], with permission from John Wiley and Sons.
