... layer material English Name: 4-(Dicyanomethylene)-2-tert-butyl-6-(1,1,7,7-tetramethyljulolidin-4-yl-vinyl ... 7-tetramethyljulolidin-4-yl-vinyl)-4h-pyran4-(Dicyanomethylene)-2-T-Butyl-6-(1,1,7,7-Tetramethyljulolidyl-9-Enyl)- ... yl)ethenyl]-4H-pyran-4-ylidene]-4-(DICYANOMETHYLENE)-2-T-BUTYL-6-(1,1,7,7-TETRAMETHYLJULOLIDYL-9-ENYL)- ... ethenyl]-4H-pyran-4-ylidene]-(E)-2-(2-tert-butyl-6-(2-(1,1,7,7-tetramethyl-1, ...