Synonyms : Glaxo Wellcome Brand of Thioguanine, GlaxoSmithKline Brand of Thioguanine, Lanvis, Tabloid, Thioguanin Glaxo Wellcome, Thioguanin-GSK, Thioguanine Hemihydrate, Thioguanine Monosodium Salt, Tioguanina Wellcome, Tioguanine, Wellcome Brand of Thioguanine