Two new cycloartane-type glucosides, mongholicoside I and II, from the aerial part of Astragalus mongholicus bunge.

Two new cycloartane-type glucosides, mongholicoside I (1) and II (2), were isolated from the aerial part of Astragalus mongholicus Bunge and characterized as 9, 19-cyclolanost-24E__--ene-1α, 3β, 16β, 27-tetraol 27-O__--β-D-glucopyranoside and 3β-acetoxy-9, 19-cyclolanost-24E__--ene-1α, 3β, 12β, 16β, 27-pentaol 27-O__--β-D-glucopyranoside based on the chemical and spectral evidence.

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