A convenient set consisting of five Epidermal Growth Factor Receptor (EGFR) Tyrosine Kinase (TK) inhibitors. The five inhibitors are: 5 mg of Canertinib (Cat. No. 1617-5), 100 mg of Erlotinib, Hydrochloride (Cat. No. 1588-100), 5 mg of Gefitinib (Cat. No. 1589-5), 25 mg of Lapatinib, Ditosylate (Cat. No. 1624-25), and 2 mg of PD 153035 Hydrochloride (Cat. No. 1656-2).