There is described a complex of formula I: in which, R1, R2, R3, R4, R5 and R6 are each, hydrogen, alkyl CI to 20 alkenyl CI to 20, aryl, alkyl(ci t0 20)aryl, alkenyl(Ci t0 20>aryl, heteroaryl, etc.; R7, R8 and R9 are each, hydrogen or alkyl CI to 20; L1, L2 and L3, are each a ligand; in free or in salt form.
描述了一个公式 I 的复合物:其中,R1、R2、R3、R4、R5 和 R6 分别是氢、烷基(Cl 至 20)、烯基(Cl 至 20)、芳基、烷基(Ci 至 20)芳基、烯基(Ci 至 20)芳基、杂环芳基等;R7、R8 和 R9 分别是氢或烷基(Cl 至 20);L1、
L2 和 L3 分别是
配体;以自由形式或盐形式存在。