The peptides described are modified with the phosphine group and are useful for marking with 99mTc and 186-188Re or paramagnetic agents for use in diagnosis and radiotherapy; in particular chelating compounds having the co-ordinating sets PN2X, where X is -S, -O, COO-, PN3, P2N3 and P2N2 are described.
所述的肽是用膦基修饰的,可用于标记 99mTc 和 186-188Re 或顺磁剂,以用于诊断和放射治疗;特别是具有
PN2X(其中 X 为-S、-O、COO-、
PN3、P2N3 和 P2N2)配位集的螯合化合物。