OLED material: 1> 4-(Dicyanomethylene)-2-tert-butyl-6-(1,1,7,7-tetramethyljulolidin-4- ... emitting layer material English Name: 4-(Dicyanomethylene)-2-tert-butyl-6-(1,1,7,7-tetramethyljulolidin-4-yl-vinyl ... )-4H-pyranLC: >98%Synonym: DCJTB4-(dicyanomethylene)-2-tert-butyl-6-(1,1,7,7-tetramethyljulolidin-4-yl-vinyl)- ... yl)ethenyl]-4H-pyran-4-ylidene]-(E)-2-(2-tert-butyl-6-(2-(1,1,7,7-tetramethyl-1, ...