114856-47-2 2-Butenedioic acid (Z)-, monoethyl ester, compd. with 4-chloro-2-(3-((1,1-dimethyl-2-((4-(1,4,5,6-tetrahydro-4-methyl-6-oxo-3-pyridazinyl)phenyl)amino)ethyl)amino)-2-hydroxypropoxy)benzonitrile (1:1) 6-(4-(2-(3-(5-Chloro-2-cyanophenoxy)-2-hydroxypropylamino)-2-methylpropylamino)phenyl)-4,5-dihydro-5-methyl-3(2H)-pyridazinone monoethyl maleate Tzc 5665 Tzc-5665