2-Cyano-3-[5-(4-diphenylamino-phenyl)-thieno[3,2-b]thiophen-2-yl]-acrylic acid

2-Cyano-3-[5-(4-diphenylamino-phenyl)-thieno[3,2-b]thiophen-2-yl]-acrylic acid · CAS 1092363-69-3