69929-15-3 EINECS 274-221-8 Methyl 3-((5-((4-((2-cyanoethyl)ethylamino)phenyl)azo)-1,2,4-thiadiazol-3-yl)thio)propionate Propanoic acid, 3-((5-((4-((2-cyanoethyl)ethylamino)phenyl)azo)-1,2,4-thiadiazol-3-yl)thio)-, methyl ester