4,4-Difluoro-5,7-dimethyl-4-bora-3a,4a-diaza-3-indacene 65595-30-4 BOFA Boron, (2-((3,5-dimethyl-2H-pyrrol-2-ylidene)methyl)-1H-pyrrolato-N1,N2)difluoro-, (T-4)-