Polymorphism of Butyl Ester of Oleanolic Acid—The Dominance of Dispersive Interactions over Electrostatic. - Langer, Dominik; Wicher, Barbara; Dutkiewicz, Zbigniew; Bendzinska-Berus, Wioletta; Bednarczyk-Cwynar, Barbara; Tykarska, Ewa (International Journal of Molecular Sciences, 2023)