3816735 -OEChem-02060822582D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3816735 > 2 > ChemIDplus > 149718376 > 1,6-Dioxaspiro(4.4)non-7-ene-2,3-dicarboxylic acid, 2-(carboxymethyl)-8-nonyl-9-oxo- 149718-37-6 2-(Carboxymethyl)-8-nonyl-9-oxo-1,6-dioxaspiro(4.4)non-7-ene-2,3-dicarboxylic acid Trachyspic acid > 149718-37-6 > 149718376 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=149718376 $$$$