1,4-dihydroxy-2-naphthalenecarboxylic acid methyl ester-4-O-alpha-L-rhamnopyranosyl-(1-6)-beta-D-glucopyranoside
1,4-dihydroxy-2-naphthalenecarboxylic acid methyl ester-4-o-alpha-l-rhamnopyranosyl-(1-6)-beta-d-glucopyranoside