A muscarinic acetylcholine nervous system labeled compound for positron emission tomography measurement of the present invention has a structure represented by undermentioned general formula (I):
1
[in the formula, W represents one selected from the group consisting of groups represented by undermentioned formulae (II) and (III):
2
(in the formulae, R represents one selected from the group consisting of an
11
C-labeled ethyl group and an
11
C-labeled propyl group), and in the case that W is a group represented by above-mentioned formula (II), above-mentioned formula (I) is the (+)-isomer].
本发明的正电子发射断层扫描测量的一种肌肉型
乙酰胆碱神经系统标记化合物具有以下通用式(I)所代表的结构:1【在该式中,W代表从以下式(II)和(III)所代表的基团中选取的一种:2(在上述式中,R代表从11C标记的乙基基团和11C标记的丙基基团中选取的一种),并且在W是上述式(II)所代表的基团的情况下,上述式(I)是(+)-异构体】。