3-Carboxymethyl-5-((3-ethyl-2-benzoxazolylidene)ethylidene)rhodanine, piperidine salt 3-Thiazolidineacetic acid, 5-((3-ethyl-2(3H)-benzoxazolylidene)ethylidene)-4-oxo-2-thioxo-, compd. with piperidine (1:1) 5-((3-Ethylbenzoxazol-2(3H)-ylidene)ethylidene)-4-oxo-2-thioxothiazolidine-3-acetic acid, compound with piperidine (1:1) 68921-75-5 EINECS 272-957-4