Astragaloside II

β-D-Glucopyranoside, (3β,6α,16β,20R,24S)-3-[(2-O-acetyl-β-D-xylopyranosyl)oxy]-20,24-epoxy-16,25-dihydroxy-9,19-cyclolanostan-6-yl; 1H,19H-Cyclopropa[9,10]cyclopenta[a]phenanthrene, β-D-glucopyranoside deriv.; 9,19-Cyclolanostane, β-D-glucopyranoside deriv.; (3β,6α,16β,20R,24S)-3-[(2-O-Acetyl-β-D-xylopyranosyl)oxy]-20,24-epoxy-16,25-dihydroxy-9,19-cyclolanostan-6-yl β-D-glucopyranoside; Astragaloside II; Astrasieversianin VIII; NSC 641295

C[C@]12[C@]3([C@]4([C@]5(C4)[C@@]([C@@H](O[C@@H]6O[C@H](CO)[C@@H](O)[C@H](O)[C@H]6O)C3)(C(C)(C)[C@@H](O[C@H]7[C@H](OC(C)=O)[C@@H](O)[C@H](O)CO7)CC5)[H])CC[C@]1(C)[C@]([C@@H](O)C2)([C@]8(C)O[C@H](C(C)(C)O)CC8)[H])[H]

InChI=1S/C43H70O15/c1-20(45)54-32-28(48)22(47)18-53-36(32)57-26-10-12-43-19-42(43)14-13-39(6)33(41(8)11-9-27(58-41)38(4,5)52)21(46)16-40(39,7)25(42)15-23(34(43)37(26,2)3)55-35-31(51)30(50)29(49)24(17-44)56-35/h21-36,44,46-52H,9-19H2,1-8H3/t21-,22+,23-,24+,25-,26-,27-,28-,29+,30-,31+,32+,33-,34-,35+,36-,39+,40-,41+,42-,43+/m0/s1

IUPAC name: [(2S,3R,4S,5R)-4,5-dihydroxy-2-[[(1S,3R,6S,8R,9S,11S,12S,14S,15R,16R)-14-hydroxy-15-[(2R,5S)-5-(1-hydroxy-1-methyl-ethyl)-2-methyl-tetrahydrofuran-2-yl]-7,7,12,16-tetramethyl-9-[(2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydropyran-2-yl]oxy-6-pentacyclo[9.7.0.0^{1,3}.0^{3,8}.0^{12,16}]octadecanyl]oxy]tetrahydropyran-3-yl] acetate