8-(4-dimethylaminostyryl)-4,4-difluoro-3,5-dimethyl-4-bora-3a,4a-diaza-s-indacene
8-(4-methoxystyryl)-4,4-difluoro-3,5-dimethyl-4-bora-3a,4a-diaza-s-indacene
8-(4-nitrostyryl)-4,4-difluoro-3,5-dimethyl-4-bora-3a,4a-diaza-s-indacene
8-(4-acetamidostyryl)-4,4-difluoro-3,5-dimethyl-4-bora-3a,4a-diaza-s-indacene