Novel piperidine compounds of the formula (I) are suitable for use as light stabilizers, heat stabilizers and oxidation stabilizers for organic materials.
The definitions of R₁, R₂, R₃, R₄, R₅, A and n in the formula (I) are given in the text.
式 (I) 的新型
哌啶化合物可用作有机材料的
光稳定剂、热稳定剂和氧化稳定剂。
式 (I) 中 R₁、R₂、R₃、R₄、R₅、A 和 n 的定义已在文中给出。