Figure 1
ORTEP-3 (Farrugia, 1997) drawing of a hydrogen-bonded ring of (I), with the atom-labeling. Displacement ellipsoids of non-H atoms are drawn at the 50% probability level. O—H⋯N and N—H⋯O hydrogen bonds are indicated by dashed lines [symmetry code: (i) 1 − x, 1 − y, 2 − z]. |