An organic EL device, comprising an anode and a cathode, and at least one organic luminescent layer comprising a compound of the formula: positioned between said anode and said cathode, and wherein: R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11 and R12 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.