Synonyms: NSC145150;U 36699;MLS002920651;PENTALENOPYRAN-5-CARBOXYLIC ACID DERIV;70857-52-2;6,7-dimethyl-4-methylidene-3-oxo-1,3,4,7,7a,9a-hexahydropentaleno[1,6a-c]pyran-9-carboxylic acid;6,7-Dimethyl-4-methylene-3-oxo-1,3,4,7,7a,9a-hexahydropentaleno(1,6a-c)pyran-9-carboxylic acid;6,7-Dimethyl-4-methylene-3-oxo-1,3,4,7,7a,9a-hexahydropentaleno[1,6a-c]pyran-9-carboxylic acid;AC1Q69NY;AC1L65N6;AR-1H0423;NSC 145150;NSC-145150;NCI60_000978;SMR001798238;Pentalenopyran-5-carboxylic acid derivative;Pentaleno[1, 1,2,4,4a,6a,7-hexahydro-7,8-dimethyl-1-methylene-2-oxo-;7,8-dimethyl-1-methylidene-2-oxo-4,4a,6a,7-tetrahydropentaleno[1,6a-c]pyran-5-carboxylic acid