... Page 3. Aldose Reductase Inhibitors Related to Zopolrestat Journal of Medicinal Chemistry, 1992, Vol. 35, No. 3 459 ... Physical Constanta of Alkylating Agents Derived from Oxazoles, Thiazoles, Isothiazoles, Etc. compd chemical name mp, "C; and/or 'H NMRa ...