Jose, Amilan D.Krishnakumar, D.Ganguly, BishwajitDas, Amitava2012-01-182012-01-182005Tetrahedron Letters 46 (2005) 5343–5346http://hdl.handle.net/1968424/546enOxyanions; Sensor; Urea and thiourea derivatives; NakedUrea and thiourea based efficient colorimetric sensors for oxyanionsArticle