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Isoflavans and a pterocarpan from Astragalus mongholicus

✍ Scribed by Anas Subarnas; Yoshiteru Oshima; Hiroshi Hikino

Book ID
103338393
Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
542 KB
Volume
30
Category
Article
ISSN
0031-9422

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## Abstract Four 3′‐hydroxy‐4′‐methoxy‐isoflavonoids: calycosin‐7‐__O__‐β‐D‐glucopyranoside (1), calycosin (2), pratensein‐7‐__O__‐β‐D‐glucopyranoside (3), and pratensein (4) were isolated from __Astragalus membranaceus__ **var.** __mongholicus__, among which compound 4 was obtained from this plant