2,5-Bis(1,1-dimethyl-4,4-diphenyl-3-butenyl)thiazolo(5,4-d)thiazole 33328-49-3 Bis(1,1-dimethyl-4,4-diphenyl-3-butenyl)thiazolo(5,4-d)thiazole Thiazolo(5,4-d)thiazole, 2,5-bis(1,1-dimethyl-4,4-diphenyl-3-butenyl)-