((2,2',2''-Nitrilotris(ethanolato))(3-)-N,O,O',O'')boron 132901-21-4 15277-97-1 AI3-60047 Boric acid, cyclic nitrilotriethylene ester Boron, ((2,2',2''-(nitrilo-kappaN)tris(ethanolato-kappaO))(3-))-, (T-4)- Boron, ((2,2',2''-nitrilotris(ethanolato))(3-)-N,O,O',O'')- EINECS 239-317-6