Capilla, I., Gomila, R., Frontera, A., Martínez‐Crespo, L., Soberats, B. (2026). One‐ and Two‐Dimensional Polymorphism in a Hydrogen‐Bonding Bis‐Ureido‐Squaramide. Angewandte Chemie International Edition. https://doi.org/10.1002/anie.3086275