... 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)-4h-pyran4 ... -9-yl)ethenyl]-4H-pyran-4-ylidene]-(E)-2-(2-tert-butyl-6-(2-(1,1,7,7-tetramethyl-1,2,3,5 ...