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Tahar, M.; Hariani Soekamto, N. . Synthesis of 3-(3,4-diacetoxyphenyl)acrylic Acid and 4-(oxo-3-(piperidin-1-yl)pro-1-En-1-Yl)-1,2-Phenylendiacetate from 3-(3,4-dihydroxyphenyl)acrylic Acid and Their Toxicity Test by Brine Shrimp Lethality Test Method. ICA 2023, 16, 1-8.