Figure 4From: Synthesis of two potential NK1-receptor ligands using [1-11C]ethyl iodide and [1-11C]propyl iodide and initial PET-imagingPET-images over the transaxial rhesus monkey brain at the level of striatum. Monkey 1: A. [O-methyl-11C]GR205171, B. Ethyl-analogue (I), C. Ethyl-analogue (I) after predosing with GR205171. Monkey 2: D. [O-methyl-11C]GR205171, E. Propyl-analogue (II), F. Propyl-analogue (II) after predosing with GR205171.Back to article page