Synthesis of Bisazomethine Pigments from 9, 9-Dichlorofluorene and Diamines

Motoo Tanaka, Tatsuo Sekiguchi, Shigeru Sekiya
1973 NIPPON KAGAKU KAISHI  
doi:10.1246/nikkashi.1973.126 fatcat:ahtpa7whnvg23khh7te5djhs4m