2,6-ditert-butyl-4-(2-methylsulfinyl-1,3-thiazol-4-yl)phenol

2,6-ditert-butyl-4-imidazo[2,1-b][1,3]thiazol-6-ylphenol

2,6-ditert-butyl-4-(1-methylindol-2-yl)phenol

2,6-ditert-butyl-4-(1-methylindol-3-yl)phenol

2,6-ditert-butyl-4-imidazo[1,2-a]pyridin-2-ylphenol