TY - RPRT TI - A conformationally flexible, urea-based tripodal anion receptor: solid-state, solution, and theoretical studies. AU - David R Turner AU - Martin J Paterson AU - Jonathan W Steed PY - 2006 DO - 10.1021/jo052339f UR - https://pubmed.ncbi.nlm.nih.gov/16468812/ ID - 16468812 ER -