3-Thiazolidineethanesulfonic acid, 5-(3-ethyl-2(3H)-benzothiazolylidene)-4-oxo-2-thioxo-, potassium salt 63123-22-8 EINECS 263-871-8 Potassium 5-(3-ethylbenzothiazol-2(3H)-ylidene)-4-oxo-2-thioxothiazolidin-3-ethanesulphonate