A novel natural tautomeric pair of garcinielliptone FC suppressed nuclear factor κB and induced apoptosis in human colorectal cancer cells oleh Shen-Jeu Won, Ting-Yu Lin, Cheng-Hsin Yen, Yu-Hau Tzeng, Hsiao-Sheng Liu, Chun-Nan Lin, Cheng-Hao Yu, Chi-Shiuan Wu, Jyun-Ti Chen, Yi-Ting Chen, Chi-Ying F. Huang, Chun-Li Su