TY - JOUR T1 - Gradual transition from NH center dot center dot center dot pyridyl hydrogen bonding to the NH center dot center dot center dot O tape synthon in pyridyl ureas JO - Crystal Growth & Design PY - 2008/01/01 AU - Byrne P AU - Turner DR AU - Lloyd GO AU - Clarke N AU - Steed JW ED - DO - DOI: 10.1021/cg800247f VL - 8 IS - 9 SP - 3335 EP - 3344 Y2 - 2024/12/26 ER -