L-glycero-D-altro-Pentadec-14-en-7-ulo-7,4-furanosonic acid, 2,7-anhydro-3,4-di-C-carboxy-8,9,10,12,13,14,15-heptadeoxy-10,12-dimethyl-15-phenyl-, 5-(6,12-tetradecadienoate), (5(6E,12E),7S,10xi,11xi,12xi)-