Synonyms: Lanost-9(11)-en-18-oicacid, 12,17,20-trihydroxy-3-[(O-3-O-methyl-b-D-glucopyranosyl-(1®3)-O-b-D-glucopyranosyl-(1®4)-O-6-deoxy-b-D-glucopyranosyl-(1®2)-4-O-sulfo-b-D-xylopyranosyl)oxy]-, g-lactone, monosodium salt, (3b,12a)- (9CI);1H,3H-Naphth[2',1':4,5]indeno[1,7a-c]furan, lanost-9(11)-en-18-oic acid deriv.;Echinoside A; Holothurin A2