(1R)-1,5-Anhydro-6-deoxy-2-O-(6-deoxy-a-L-mannopyranosyl)-1-[5,7-dihydroxy-2-(4-hydroxyphenyl)-4-oxo-4H-chromen-6-yl]-L-ribo-hex-3-ulose AIDS-166095 AIDS166095 Cassiaoccidentalin A