4-Thiazolidinone, 5-[(4-chlorophenyl)methylene]-2-thioxo- 5-(4-Chlorobenzylidene)rhodanine 5-(p-Chlorobenzylidene)-2-thiothiazolidine-2,4-dione 5-[(4-Chlorophenyl)methylene]-2-thioxo-4-thiazolidinone 6318-37-2 NSC31093