"topoisomerase inhibitor"@en . "topoisomerase inhibitor"@en . . . . . . . . . "Topoisomerase Inhibitor"@en . "compounds that inhibit the activity of DNA topoisomerases"@en . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "topoisomerase inhibitor"@en . . . . . . . . . . . . . . .