3-Carboxymethyl-5-((3-ethyl-5,6-dimethyl-2-benzoxazolinylidene)ethylidene)rhodanine 3-Thiazolidineacetic acid, 5-((3-ethyl-5,6-dimethyl-2(3H)-benzoxazolylidene)ethylidene)-4-oxo-2-thioxo- 5-((3-Ethyl-5,6-dimethylbenzoxazol-2(3H)-ylidene)ethylidene)-4-oxo-2-thioxothiazolidin-3-acetic acid 68133-61-9 EINECS 268-693-4