| 摘要 |
PCT No. PCT/EP96/00005 Sec. 371 Date Jul. 2, 1997 Sec. 102(e) Date Jul. 2, 1997 PCT Filed Jan. 3, 1996 PCT Pub. No. WO96/20942 PCT Pub. Date Jul. 11, 1996In one of its aspects, the invention relates to compounds of formula I M is Eu, Tb or Dy, Sm; R2 is hydrogen or C1-C6alkyl, and R1 and R3 are each independently of the other phenyl, hydrogen or C1-C6alkyl, and L is p-N,N-dimethylaminopyridine, N-methylimidazole or p-methoxypyridine-N-oxide. The invention also relates to the use of these compounds for optical sensors sensitive to impact, tension or pressure. |
