abstract |
The present invention relates to a compound of the general formula (I).n n n n n n n n Wherein n is 1 or 2, A is CH or a nitrogen atom and other radicals of R 1 to R 25 are as defined in claim 1.n n n Compounds of general formula (I) may be usefully used to stabilize organics against the deleterious effects of light, oxygen and / or heat. |