25962-16-7 4-Thiazolidinone, 5-(3-ethyl-2(3H)-benzoxazolylidene)-3-phenyl-2-thioxo- 5-(3-Ethyl-(3H)-benzoxazol-2-ylidene)-3-phenyl-2-thioxothiazolidin-4-one EINECS 247-376-4