The present invention relates to a endothelin receptor antagonist conjugate of the formula (I) wherein R2 is an alkoxy group and one of R1 and R3 represents an alkoxy group and the other represents a group of the formula: (OCH2CH2)n—NH—X, wherein n is an integer of 1 to 100 and X represents a fluorescent dye and tautomers thereof. Furthermore, the present invention relates to a diagnostic composition comprising the compounds of the invention. The present invention also relates to the use of the compounds of the invention for the preparation of a diagnostic composition for the diagnosis of cancer, the evaluation of cancer biology and/or monitoring of anticancer therapy. In a further aspect, the present invention relates to kits comprising the compounds of the invention.
本发明涉及一种内皮素受体拮抗剂偶联物的公式(I),其中R2是烷氧基,R1和R3中的一个代表烷氧基,另一个代表公式(OCH2CH2)n-NH-X的基团,其中n是1到100的整数,X代表荧光
染料及其互变异构体。此外,本发明还涉及一种包含本发明化合物的诊断组合物。本发明还涉及使用本发明化合物制备诊断组合物,用于癌症诊断、癌症
生物学评估和/或抗癌治疗监测。此外,本发明还涉及包含本发明化合物的试剂盒。