1,3-cyclooctanedicarboxylic acid, dimethyl ester, (1R,3S)- InChI=1/C12H20O4/c1-15-11(13)9-6-4-3-5-7-10(8-9)12(14)16-2/h9-10H,3-8H2,1-2H3/t9-,10 dimethyl (1R,3S)-cyclooctane-1,3-dicarboxylate