- A novel chymase inhibitor, 2-(5-formylamino-6-oxo-2-phenyl-1,6-dihydropyrimidine-1-yl)-N-[[,4-dioxo-1-phenyl-7-(2-pyridyloxy)]2-heptyl]acetamide (NK3201), suppressed intimal hyperplasia after balloon injury. Takai, S., Sakonjo, H., Fukuda, K., Jin, D., Sakaguchi, M., Kamoshita, K., Ishida, K., Sukenaga, Y., Miyazaki, M. J. Pharmacol. Exp. Ther. (2003)