1,4-Diethyl N-[3-(triethoxysilyl)propyl]aspartate Aspartic acid, N-[3-(triethoxysilyl)propyl]-, 1,4-diethyl ester Aspartic acid, N-[3-(triethoxysilyl)propyl]-, diethyl ester Diethyl [(3-triethoxysilylpropyl)amino]succinate Diethyl 2-[(3-triethoxysilylpropyl)amino]succinate Diethyl N-(3-triethoxysilylpropyl)aminosuccinate Diethyl N-(3-triethoxysilylpropyl)aspartate