C02DArteriolar Smooth Muscle, Agents Acting On↑ C02SubgroupsThiazide derivativesC02DAHydrazinophthalazine derivativesC02DBPyrimidine derivativesC02DCNitroferricyanide derivativesC02DDGuanidine derivativesC02DGSubstancesminoxidilC02DC01hydralazineC02DB02diazoxideC02DA01nitroprussideC02DD01pinacidilC02DG01