4-[[5-[[4-(difluoromethylsulfanyl)phenyl]methyl]-4-oxo-3-prop-2-enyl-1,3-thiazolidin-2-ylidene]amino]benzoic acid

1:2,5:6,9:10-Tribenzo-cyclododeca-1,3,5,7,9-pentaen-11-in