- Hindered amine derivatives of S-triazine-tricarboxylic acid
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1-Hydrocarbyloxy-2,2,6,6-tetraalkylpiperidin-4-yl derivatives of 1,3,5-triazine-2,4,6-tricarboxylic acid corresponding to the formula STR1 are effective light stabilizers in a wise variety of substrate systems.
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