Figure 2.

View of the molecular structure of 2b. Displacement ellipsoids are presented at the 50% probability level. Hydrogen atoms have been excluded for the sake of clarity, with the exception of those attached to oxygen atoms and C(3).

View of the molecular structure of 2b. Displacement ellipsoids are presented at the 50% probability level. Hydrogen atoms have been excluded for the sake of clarity, with the exception of those attached to oxygen atoms and C(3).