Benzimidazole derivatives. 4. The recognition of the voluminous substituent attached to the basic amino group of 5-HT4 receptor antagonists. - María L. López-Rodríguez; Bellinda Benhamú; Marta Murcia; Elsa Álvaro; Mercedes Campillo; Leonardo Pardo (J. Comput. Aided Mol. Des., 2003)