Seven-coordinate anion complex with a tren-based urea: binding discrepancy of hydrogen sulfate in solid and solution states.
Pramanik A, Thompson B, Hayes T, Tucker K, Powell DR, Bonnesen PV, Ellis ED, Lee KS, Yu H, Hossain MA. Seven-coordinate anion complex with a tren-based urea: binding discrepancy of hydrogen sulfate in solid and solution states. Org Biomol Chem. 2011 Jun 21; 9(12):4444-7.