(11S)-hydroxyhexadecanoic acid 11-O-alpha-L-rhamnopyranosyl-(1-3)-O-alpha-L-(2-O-(2S-methylbutyryl)-4-O-(2S-methylbutyryl))rhamnopyranosyl-(1-2)-O-beta-D-glucopyranosyl-(1-2)-beta-D-fucopyranoside-(1,3''-lactone)