101877 ⎘
Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings the heterocyclic rings being condensed in peri position and in 1-2 or 2-3 position only S-containing hetero rings
Anthracene-based organic dyes and preparation methods thereof
#2Benzothioxanthene dyes with improved application and toxicological properties
#3Dyes of improved optical brightness and/or fluorescence and compositions containing them