14-Deoxy-11, 12-didehydroandrographolide inhibits apoptosis in influenza A(H5N1) virus-infected human lung epithelial cells via the caspase-9-dependent intrinsic apoptotic pathway which contributes to its antiviral activity - Cai, W; Wen, H; Zhou, Q; Wu, L; Chen, Y; Zhou, H; Jin, M (Antiviral Res, 2020)