1,2,3-Tris(.beta.-cyanoethoxy)propane 1,2,3-Tris(2-cyanoethoxy)propane 2465-93-2 NSC105812 Propanenitrile, 3,3',3''-[1,2,3-propanetriyltris(oxy)]tris- Propionitrile, 3,3',3''-(1,2,3-propanetriyltrioxy)tri- Tris(.beta.-cyanoethoxy)propane