An organic EL device, comprising an anode and a cathode, and at least one
organic luminescent layer comprising a compound of the formula:
##STR00001## positioned between said anode and said cathode, and
wherein: R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7,
R.sup.8, R.sup.9, R.sup.10, R.sup.11 and R.sup.12 are individual
substituents, each substituent is an individual group selected from the
group consisting of hydrogen, halogens, and groups that contain 1 to 48
carbon atoms, and at least one group is not hydrogen.