SEARCH Articles Figures Tables 4,4 -Difluoro-4-bora-3a,4a-diaza-s-indacenes 4,4-Difluoro-4-bora-3a,4a-diaza-s-indacen 4.4- Difluoro-4-bora-3a,4a-diaza-s-indacene 4.4- Difluoro-4-bora-3a,4a-diaza-s-indacene BODIPY) Indacene stability Indacenes S-Indacene