101843-83-8 Astrasieversianin XV beta-D-Xylopyranoside, (3beta,6alpha,16beta,24S)-20,24-epoxy-16,25-dihydroxy-6-(beta-D-xylopyranosyloxy)-9,19-cyclolanostan-3-yl 2-O-(6-deoxy-alpha-L-mannopyranosyl)-