(R)-N-[(5-Cyano-2-aminophenyl)methyl]-N-[1-(hydroxymethyl)-2-phenylethyl]thiophene-2-sulfonamide is a reactant used in the preparation of 3,7-disubstituted-2,3,4,5-tetrahydro-1H-1,4-benzodiazepine compounds, having farnesyl protein transferase inhibitory activity. Solubility: Ethyl Acetate, Dimethylformamide, Dimethyl Sulfoxide, Tetrahydrofuran