| 摘要 |
A product containing 5 to 85% of a group (A-1-a) and/or (A-1-b)and 15 to 95% of a group (A-2),the total sum of the groups (A-1-a), (A-1-b) and (A-2) being 100%, is useful for stabilizing an organic material against degradation induced by light, heat or oxidation. |
