C Sandoval-AltamiranoN PizarroY.H ChoJ MoralesE BerriosC SilvaG Gunther2026-02-242026-02-242025-0410.1016/j.dyepig.2024.112585https://cris-uv-2.scimago.es/handle/123456789/8397β-carbonyl substitution on Dimethylaminophenalenones, halogen-free enhancement of singlet oxygen generation in protic mediajournal-article