... 3-(2-pyridylmethyl)ureas to 2-Aryl-S-(Z-pyridyl)-2,4-dihydro-1,2,4 triazol-3-ones Shozo KAMIYA,*'“ Kentaro YAMAGUCHI,” Makoto MIYAHARA ... Miyahara, S. Kamiya, A. Maekawa, and S. Odashima, Gann, 70, 731 (1979). ... December 1990 3229 4) S. Kamiya and S. Sueyoshi, Chem ...