3-Carboxymethyl-5-((3-ethyl-2-thiazolidinylidene)ethylidene)rhodanine, sodium salt 3-Thiazolidineacetic acid, 5-((3-ethyl-2-thiazolidinylidene)ethylidene)-4-oxo-2-thioxo-, sodium salt 68921-74-4 EINECS 272-956-9 Sodium 5-((3-ethylthiazolidin-2-ylidene)ethylidene)-4-oxo-2-thioxothiazolidin-3-acetate