1-Pentene-1,1,3,3-tetracarboxylic acid,5-(2-cyano-1,2,3,5,6,7,8,8a-octahydro-5-hydroxy-5,8a-dimethyl-6-oxo-1-naphthalenyl)-5-oxo-, tetramethyl ester
CAS No. 134827-29-5