2(3H)-Thiazolone, 4,5-diphenyl-, (1-(4-(bis(2-hydroxyethyl)amino)phenyl)ethylidene)hydrazone 4-(Bis(2-hydroxyethyl)amino)acetophenone-(4,5-diphenylthiazolyl)-2-hydrazone 61930-49-2 Z 38-74 Zimet 38-74