(S)-AMG-628

(S)-AMG-628 (Compound 16q) is the S-isomer of AMG-628 (HY-123374). (S)-AMG-628 is the orally active antagonist for TRPV1, that inhibits the Capsaicin (HY-10448)- and acid-induced Ca2+-influx with IC50 of 7 nM and 5 nM in CHO cell. (S)-AMG-628 ameliorates Capsaicin-induced rats flinching, and reverses the thermal hypersensitivity in CFA-(HY-153808) induced inflammatory pain models.