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The new spiro compound 1-carbonyl-3-methoxy-2,4-diene-spiro[5,7]-14,15-dihydroxynaphthalene (1) and four known compounds… Expand The root of Coptis chinensis Franch. (COCH) is regularly used for medicinal purposes, and has been prescribed alone or in… Expand Phytochemical investigation on the leaves of Artemisia argyi has led to the isolation and identication of a new caffeic acid… Expand Seven resistant varieties of sweetpotato were compared with three susceptible varieties in field trials and laboratory bioassays… Expand OBJECTIVE
To investigate the chemical constituents from the tubers of Ipomoea batata.
The chemical constituents were… Expand Two new resin glycosides, batataosides I (1) and II (2), and five known compounds, friedelin (3), scopoletin (4), octadecyl… Expand