Synonyms: Barbituricacid,5-[2-(1-ethylnaphtho[1,2-d]thiazolin-2-ylidene)-1-[(1-ethylnaphtho[1,2-d]thiazolin-2-ylidene)methyl]ethylidene]-1,3-bis(2-methoxyethyl)-(8CI); Naphtho[1,2-d]thiazole, 2,4,6(1H,3H,5H)-pyrimidinetrione deriv.;5-[Di-(1-Ethyl-2(1H)-b-naphthothiazolylidene)isopropylidene]-1,3-di(b-methoxyethyl)-barbituric acid