1,2,3,4-Butanetetracarboxylic acid, tetramethyl ester, reaction products with 4,4-(1-methylethylidene)bis(cyclohexanol) and 1,2,2,6,6-pentamethyl-4-piperidinol
1,2,3,4-Butanetetracarboxylic acid, tetramethyl ester, reaction products with 4,4-(1-methylethylidene)bis(cyclohexanol) and 1,2,2,6,6-pentamethyl-4-piperidinol