You are looking for
Cation Complexation, Photochromism, and Aggregation of Copolymers Carrying Crown Ether and Spirobenzopyran Moieties at the Side Chains
Author:
Keiichi, Kimura
Journal:
Bulletin of the Chemical Society of Japan
ISSN:
0009-2673
Date:
01/2003
Volume:
76
Issue:
1
Page:
209-215
DOI:
10.1246/bcsj.76.209