Vitamin B-12 derivatives, process for their preparation and their use in radioimmunoassays
申请人:E.R. Squibb & Sons, Inc.
公开号:EP0005834A1
公开(公告)日:1979-12-12
Radiolabeled vitamin B,2 derivatives having the formula VII
wherein R is hydrogen or alkyl of 1 to 3 carbon atoms; n is 0, 1. 2, 3, or 4; and the asterisk (*) indicates tagging with a radioisotope, are useful as tracers in radioassays.
具有式 VII 的放射性标记维生素 B,2 衍生物
其中 R 是氢或 1 至 3 个碳原子的烷基;n 是 0、1、2、3 或 4;星号(*)表示用放射性同位素标记,可用作放射性检测中的示踪剂。
Steroid derivatives, process for their preparation and their use in radioimmunoassays