Ftalonitril, Phthalodinitril, o-pdn[qr], 1,2-dicyanobenzene, 1,2-Benzenedicarbonitrile, PHTHALODINITRILE, o-dicyanobenzene, dicyanobenzene, PHTHALICNITRILE, o-PDN, o-phthalonitrile, Ftalodinitril, Phthalonitrile, o-Phthalo-dinitrile, 1,2-Benzene dicarbonitrile, o-Dicyano-benzene, Phthalic acid dinitrile, Phthalonitril, o-Phthalodinitril, Phthalsäuredinitril, Benzol-1,2-dicarbonitril, 1,2-Dicyanbenzol, Phthalonitrile