30627-54-4 5-19-02-00544 (Beilstein Handbook Reference) 7-Oxabicyclo(2.2.1)heptane-2,3-dicarboxylic acid, 3,4-methylenedioxybenzyl ester, exo-(Z)- BRN 4005589 exo-cis-7-Oxabicyclo(2.2.1)heptane-2,3-dicarboxylic acid 3,4-methylenedioxybenzyl ester