... Synthesis, Saludiuretic, and Antihypertensive Activity of 6,7-Disubstituted l(2H)- and 3,4-Dihydro- 1 (2H)-~hthalazinones S. Cherkez, J. Herzig, and H. Yellin* Teva Pharmaceutical Industries Ltd., 61 013 Tel-Aviv, Israel. ... 948 Journal of Medicinal Chemistry, 1986, Vol. ...