@article{article, title = {{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}}, url = {{}}, year = {{2008}}, month = {{1}}, author = {{Byrne P and Turner DR and Lloyd GO and Clarke N and Steed JW}}, doi = {{10.1021/cg800247f}}, volume = {{8}}, journal = {{Crystal Growth & Design}}, issue = {{9}}, pages = {{3335-3344}}, note = {{Accessed on 2024/12/23}}}