Rosa Kartika, W.; Ratna Kartika, I.; Kurniadewi, F. Elastichalcone A: A Potent Antioxidant Chalcone Derivative Compound Isolated from the Ethyl Acetate Extract of Breadfruit (Artocarpus Communis) Leaves. Indones. J. Nat. Prod. Chem. 2025, 1, 17-21.