Chem. Commun., 2025, Accepted Manuscript DOI: 10.1039/D5CC03628C, Communication Ankur Bonia, Diptajyoti Gogoi, Nabadeep Kalita, Takanori Nakane, Akihiro Kawamoto, Khaled Althubeiti, Toshiyuki Sasaki, Genji Kurisu, Ranjit Thakuria Mechanochemical synthesis of urea cocrystals with 2,4-dihydroxybenzoic acid (24DHBA) reveals two new stoichiometric forms: (urea)₂•(24DHBA) and (urea)₂•(24DHBA)₂, not accessible via solution methods. The known (urea)₀.₅•(24DHBA) form remains the most stable....