Synonyms:
1,3-cyclopentanedione,2-[(2e)-2-(3,4-dihydro-6-methoxy-1(2h)-naphthalenylidene)ethyl]-2-ethyl- ; 3-methoxy-18-methyl-8,14-seco-1,3,5(10),9(11)-estrateraene-14,17-dione ; 17-ketoethylsecodione ; 1,3-cyclopentanedione,2-[2-(3,4-dihydro-6-methoxy-1(2h)-naphthalenylidene)ethyl]-2-ethyl-, (e)- (9ci) ; 2-[(2e)-2-(3,4-dihydro-6-methoxy-1(2h)-naphthalenylidene)ethyl]-2-ethyl-1,3-cyclopentanedione