| 摘要 |
New hydroquinone ether compounds of formula I are described: <IMAGE> (I) wherein p is 1 or 2 and q is 0 or 1, provided that p+q is 1 or 2, R is a residue of formula II <IMAGE> (II) and Ro, Roo, R1, R2, R3, Q, n and k are as defined in the specification. The new compounds are useful e.g. as stabilizers in photographic material.
|
