. . . . . . . . "withdrawn"@en . . . . . "Tenalidina"@en . "1-Methyl-4-N-2-thenylanilinopiperidine"@en . . . "Thenaldine"@en . . . . . . . "1-Methyl-4-amino-N-phenyl-N-(2-thenyl)piperidine"@en . . . . . "Withdrawn from the Canadian, US, and UK markets in 1963 due to concerns involving neutropenia."@en . . . . . "Thenalidinum"@en . "Thenophenopiperidine"@en . . . "86-12-4"@en . . . . . . "Thenalidine"@en . .