Obtusilobin

3β-[2-O-(α-L-Arabinofuranosyl)-6-deoxy-α-L-mannopyranosyloxy]olean-12-en-28-oic acid

3β-[(2-O-α-L-Arabinofuranosyl-6-deoxy-α-L-mannopyranosyl)oxy]olean-12-en-28-oic acid