M. K.  Gurjar, Rao, B. V., Krishna, L. M., Chorghade, M. S., and Ley, S. V., ?Stereoselective synthesis of (2S,7S)-7-(4-phenoxymethyl)2-(1-N-hydroxyureidyl-3-butyn-4-yl)oxepane: a potential anti-asthmatic drug candidate?, Tetrahedron-Asymmetry, vol. 16, no. 5, pp. 935-939, 2005.