Antioxidant hp136,2(3H)-benzofuranone,5,7-bis(1,1-dimethylethyl)-3-(3,4-dimethylphenyl)

for the following products 5,7-bis-(1,1-Dimethylethyl)-3-[2,3-dimethylphenyl]-2(3H)-benzofuranone | 5,7-di-tert-Butyl-3-(3,4-dimethylphenyl)benzofuran-2(3H)-one and Antioxidant hp136,2(3H)-benzofuranone,5,7-bis(1,1-dimethylethyl)-3-(3,4-dimethylphenyl)