Luminescent Donor‐Acceptor Radical With Propeller Chirality: Bright and Photostable Red Circularly Polarized Luminescence and Whispering Gallery Mode Resonance. - Nakamura, Kazuhiro; Matsuda, Kenshiro; Anraku, Kosuke; Yamaoka, Keiko; Matsumoto, Taisuke; Ishiwari, Fumitaka; Zaima, Takeaki; Ota, Wataru; Fujiwara, Emiko; Sato, Tohru; Inoue, Yoshitaka; Kushida, Soh; et al. (Angewandte Chemie, 2026)