4‑Nitro-phenylalanine Bromides: D−π–A Structural Features and Their Nonlinear and Linear Optical Properties - Zhao, Gao-Yu; Tian, Mao-Jing; Wang, Rui-Xi; Deng, Yan; Zhao, Yan-Ling; Luo, Shu-Chang; Chen, Ling (Crystal Growth & Design, 2024)