... -vinyl)-4H-pyranLC: >98%Synonym: DCJTB4-(dicyanomethylene)-2-tert-butyl-6-(1,1,7,7-tetramethyljulolidin-4 ... 9-Enyl)-4h-PyranPropanedinitrile,2-[2-(1,1-dimethylethyl)-6-[2-(2Propanedinitrile,[2-(1,1-dimethylethyl)-6-[2-(2,3,6,7- ... 9-ENYL)-4H-PYRAN (DCJTB)Propanedinitrile, 2-[2-(1,1-dimethylethyl)-6-[2-(2,3,6,7-tetrahydro-1,1, ... 4H-pyran-4-ylidene]-(E)-2-(2-tert-butyl-6-(2-(1,1,7,7-tetramethyl-1,2,3,5,6,7 ...