3-(4-Methylphenyl)-2,4-diaza-3-boratricyclo-[7.3.1.0{5,13}]trideca-1(13),5,7,9,11-pentaene 25g

3-(4-Methylphenyl)-2,4-diaza-3-boratricyclo-[7.3.1.0{5,13}]trideca-1(13),5,7,9,11-pentaene 25g