TSHR antagonist S37b is the less effective enantiomer of TSHR antagonist S37a . TSHR antagonist S37b shows only a minor effect for thyrotropin receptor (TSHR) inhibition. TSHR antagonist S37b can be used for the research of thyroid function[1].
[1]. Marcinkowski P, et al. A New Highly Thyrotropin Receptor-Selective Small-Molecule Antagonist with Potential for the Treatment of Graves’ Orbitopathy. Thyroid. 2019 Jan;29(1):111-123.
















