The present invention provides a TSHR
antagonist compound of formula (I), a pharmaceutical composition, a method for preparing same, and use thereof. The compound has a good TSHR antagonistic effect and is used for treating
thyroid-related disorders and / or diseases, such as hyperthyroidism, Graves'
disease, Graves' ophthalmopathy, and
thyroid-associated ophthalmopathy, and for preparing a medicament for such disorders or diseases.