ERBB2 and breast cancer: The results suggested that bisdemethylcurcumin compound (AS-KTC006, CAS no. 60831-46-1) and 3,5-bis((E)-3,4-dimethoxystyryl)isoxazole (AS-KTC021, CAS no. 1118765-46-0) could inhibit breast cancer cell lines though HER2-TK.