Metal-complexable substituted bis-indole derivatives comprising the structure shown in formula (I) hereunder: enantiomers and pharmaceutically acceptable salts thereof and metal complexes thereof, wherein L, R
1
, R
2
, R
3
, C
1
, C
2
, m, n, p, q and r are as defined in claim 1 for use as constrats agents.
具有以下式子(I)所示结构的
金属络合取代双
吲哚衍
生物:其对映体、药学上可接受的盐及其
金属络合物,其中L、R1、R2、R3、C1、C2、m、n、p、q和r如权利要求1所定义,用作造影剂。