Fig. 8. Viability of MDA-MB-231 cells treated with 5 (2 μM) alone and co-treated with necrostatin (NEC), Z-VAD-FMK, N-acetyl cysteine (NAC) followed by irradiation (t_irr = 20 min, λ_irr = 460–470 nm, 56 J cm⁻²). P values are vs. 2 μM 5; ***P < 0.01 **P < 0.05 *P < 0.10.