1118786-87-0
6,6-dimethoxy-spiro[3.3]heptane-2,2-dicarboxylic acid diisopropyl ester
→
~90%
1023814-92-7
6-oxo-spiro[3.3]heptane-2,2-dicarboxylic acid
889944-57-4
6-氧代螺[3.3]庚烷-2-羧酸