136778-39-7 3,6-Anhydro-2-deoxy-7-C-phenylido-heptonic acid gamma-lactone, stereoisomer 7-Goniofufurone 7-epi-Goniofufurone ido-Heptonic acid, 3,6-anhydro-2-deoxy-7-C-phenyl-, gamma-lactone, stereoisomer