(24R)-24 -O-(4-O-Methyl-beta-D-xylopyranosyl)-6-O-sulfonato-24-ethyl-5alpha-cholestane-3beta,4beta,6alpha,8,15beta,16beta,24 -heptol sodium salt Certonardoside I InChI=1/C35H62O14S.Na/c1-17(2)19(11-14-47-32-30(41)27(38)22(46-6)16-48-32)8-7-18(3)24-28(39)29(40)31-34(24,5)13-10-23-33(4)12-9-20(36)26(37)25(33)21(15-35(23,31)42)49-50(43,44)45;/h17-32,36-42H,7-16H2,1-6H3,(H,43,44,45);/q;+1/p-1/t18-,19-,20+,21+,22?,23 pentopyranoside, (3beta,4beta,6alpha,9xi,14xi,15beta,16beta,17xi,24R)-3,4,8,15,16-pentahydroxy-6-(sulfooxy)stigmastan-29-yl 4-O-methyl-, monosodium salt sodium (3beta,4beta,6alpha,9xi,14xi,15beta,16beta,17xi,24R)-3,4,8,15,16-pentahydroxy-29-[(4-O-methylpentopyranosyl)oxy]stigmastan-6-yl sulfate