... 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-(Dicyanomethylene)-2-T-Butyl-6-(1,1,7,7-Tetramethyljulolidyl-9-Enyl)- ... ]-4H-pyran-4-ylidene]-4-(DICYANOMETHYLENE)-2-T-BUTYL-6-(1,1,7,7-TETRAMETHYLJULOLIDYL-9-ENYL)- ...