High affinity retinol-binding protein 4 (RBP4) ligand (Ki = 8.3 nM); non-retinoid. Selective against a range of different cellular targets. As efficacious as fenretinide (Cat. No. 1396) in the reduction of serum RBP4 and retinol. Displaces transthyretin (TTR) from RBP4-TTR complexes.