TY - RPRT TI - Multiple coordination geometries supported by methylene-linked guanidines. AU - Sarah H Oakley AU - Martyn P Coles AU - Peter B Hitchcock PY - 2004 DO - 10.1021/ic0495416 UR - https://pubmed.ncbi.nlm.nih.gov/15554613/ ID - 15554613 ER -