2-(Diphenylamino)-5-((3-ethyl-3H-benzothiazol-2-ylidene)ethylidene)thiazol-4(5H)-one 2718-78-7 4(5H)-Thiazolone, 2-(diphenylamino)-5-((3-ethyl-2(3H)-benzothiazolylidene)ethylidene)- EINECS 220-315-9