(3beta,12alpha)-12,17,20-Trihydroxy-3-((O-3-O-methyl-beta-D-glucopyranosyl-(1-3)-O-beta-D-glucopyranosyl-(1-4)-O-6-deoxy-beta-D-glucopyranosyl-(1-2)-4-O-sulfo-beta-D-xylopyranosyl)-oxy)lanost-9(11)-en-18-oic acid gamma-lactone, monosodium salt 75410-53-6 83323-87-9 Echinoside A Holothurin A2 Lanost-9(11)-en-18-oic acid, 12,17,20-trihydroxy-3-((O-3-O-methyl-beta-D-glucopyranosyl-(1-3)-O-beta-D-glucopyranosyl-(1-4)-O-6-deoxy-beta-D-glucopyranosyl-(1-2)-4-O-sulfo-beta-D-xylopyranosyl)oxy)-, gamma-lactone, monosodium salt, (3beta,12alpha)-