A compound of the formula (A) wherein the radicals R1 are independently of one another methyl, ethyl or n-propyl, and X is C2-C8alkylene or C2-C8alkylene interrupted by sulfur, is useful for stabilizing an organic material against degradation induced by light, heat or oxidation.
式为(A)的化合物,其中基团R1独立地为甲基、乙基或正丙基,而X为C2-C8烷基或被
硫断裂的C2-C8烷基,可用于稳定有机材料,以防止受光、热或氧化引起的降解。