100843-18-3 125295-41-2 25962-03-2 3-Thiazolidineacetic acid, 5-((3-ethyl-2(3H)-benzothiazolylidene)ethylidene)-4-oxo-2-thioxo- 5-((3-Ethylbenzothiazol-2(3H)-ylidene)ethylidene)-4-oxo-2-thioxothiazolidin-3-acetic acid EINECS 247-373-8