2,7-Diazatriptycene: acid-responsive ternary fluorescence switching via modulation of through-space conjugation. - Inoue, Ryo; Hashimoto, Yusuke; Aoki, Atsushi; Furuyama, Taniyuki; Kubo, Kazuya; Morisaki, Yasuhiro; Agou, Tomohiro (Chemical Communications, 2026)