Daphnane Diterpenoids from Daphne genkwa Inhibit PI3K/Akt/mTOR Signaling and Induce Cell Cycle Arrest and Apoptosis in Human Colon Cancer Cells. - Pan RR; Zhang CY; Li Y; Zhang BB; Zhao L; Ye Y; Song YN; Zhang M; Tie HY; Zhang H; Zhu JY (Journal of natural products, 2020)