Figure 1
Molecular diagram for (I). Displacement ellipsoids are drawn at the 50% probability level. Light broken lines depict intermolecular hydrogen-bonding interactions; heavy broken lines, intramolecular ones [symmetry codes: (i) 2 − x, 1 − y, 1 − z; (ii) 1 − x, 1 − y, −z; (iii) x, y, 1 + z]. |