Azomethines and derivatives thereof
Azomethines forming enantiotropic nematic phases
Azomonazine n-oxides
Azoniaanthracene dye developing agents
Azoniaspironortropine derivatives and methods of making same
Azonol dyes
Azophthalocyanine dyestuffs
Azophthalocyanine dyestuffs and process for preparing them
Azophthalocyanine dyestuffs and process for preparing them
Azoporphin dyestuffs
Azopyridine compounds as fog inhibitors for photographic...
Azopyrimidine compounds and process of coloring fabricated...