136685-37-5 9-Deoxygoniopypyrone D-Xylo-heptonic acid, 3,7-anhydro-2,4-dideoxy-7-C-phenyl-, delta-lactone, (7S)- D-xylo-Heptanoic acid, 3,7-anhydro-2,4-dideoxy-7-C-phenyl-, delta-lactone, (7S)-