| 摘要 |
The invention relates to cyclic compounds of the general formula (I), in which the groups are defined as follows: X-Y-Z represent N=C-O, NH-C=N, N=C-NH and R1, R2, R3 represent H, C1-6 alkyl, and of the general formula (III), in which the groups are defined as follows: X-Y-Z represent N=C-O and R1, R2, R3 represent H, C1-6 alkyl, for use as complex ligands. |
