Diversification of the 10th core atom of 9-cyanopyronins expands the resonance Raman vibrational palette. - Kanai SS; Fujioka H; Kawatani M; Spratt SJ; Fukuta SS; Zhan Z; Ma Y; Kuruma K; Asanuma D; Asada Y; Taki M; Yamaguchi S; et al. (Communications chemistry, 2026)