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Figure 3 The molecular packing of the diepoxide 2. Non-interacting hydrogen atoms have been omitted for the sake of clarity. Dotted lines indicate the C—H⋯O hydrogen bonds and C⋯O short contacts. Symmetry codes: (i) –x + 1, y + , –z + ; (ii) x, y + 1, z; (iii) –x + 1, –y, –z + 1. |