AMTB hydrochloride is a selective TRPM8 channel blocker. AMTB hydrochloride inhibits icilin-induced TRPM8 channel activation with a pIC50 of 6.23. AMTB hydrochloride can be used for the research of the overactive bladder and painful bladder syndrome. AMTB hydrochloride is a non-selective inhibitor of voltage-gated sodium channels (NaV).