Figure 1
From: Synthesis and crystal structures of 5'-phenylspiro[indoline-3, 2'-pyrrolidin]-2-one derivatives

Reciprocal conformations of both compounds, as seen from the superimposition of the planar 2-oxyindole rings.
From: Synthesis and crystal structures of 5'-phenylspiro[indoline-3, 2'-pyrrolidin]-2-one derivatives
Reciprocal conformations of both compounds, as seen from the superimposition of the planar 2-oxyindole rings.