abstract |
The present invention is directed to complexes represented by formula (I), wherein R, R', R1, R'1, R2, R'2, R3, R'3, R4, R'4, R5, R'5, R6, R'6, R7, R'7, R8, R'8, R9, R'9, M, X, Y, Z and n are defined herein for use as contrast agents in diagnostic imaging. |