Ambrus J L, Ambrus C M, Gastpar H
J Med. 1978;9(2):183-6.
The pyrimido-pyrimidine derivative RA 233 was found to increase circulation time and decrease metastatic settling of intravenously injected, radioisotope labeled ascites tumor cells in mice.
已发现嘧啶并嘧啶衍生物RA 233可延长小鼠体内静脉注射放射性同位素标记的腹水肿瘤细胞的循环时间,并减少其转移着床。