4-(2,6-dimethylthiopyran-4-ylidene)-2,6-dimethylthiopyran;4-(2,6-dimethylthiopyran-4-ylidene)-2,6-dimethyl-thiopyran;4-(2,6-dimethyl-4-thiopyranylidene)-2,6-dimethylthiopyran;42506-61-6;4H-Thiopyran, 4-(2,6-dimethyl-4H-thiopyran-4-ylidene)-2,6-dimethyl-;Bithiopyranylidene, 2,2',6,6'-tetramethyl-
4-(2,6-dimethylthiopyran-4-ylidene)-2,6-dimethylthiopyran