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The structures of (I) and (II) were determined at 134 K. The pyrrolidine rings have similar twist conformations in both compounds. Molecules of (II) are connected through intermolecular N-H...O hydrogen bonds into zigzag chains. Both crystal structures contain weak intermolecular C-H...O interactions. Compound (II) also shows intermolecular C-H...[pi]arene interactions.

Supporting information

cif

Crystallographic Information File (CIF)
Contains datablocks default, I, II

hkl

Structure factor file (CIF format)
Contains datablock I

hkl

Structure factor file (CIF format)
Contains datablock (II)

CCDC references: 136694; 136695

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