(Acetylacetonato)difluoroboron 15390-25-7 Acetylacetone boron difluoride BORON, DIFLUORO(2,4-PENTANEDIONATO)- BRN 4418923 Boron, difluoro(2,4-pentanedionato-O,O')-, (T-4)- (9CI) Difluoro-2,4-pentanedionatoboron