Nitroprusside. Cyanonitrosylferrate . Ketostix . Naniprus . Nipride . Nipruton . Nitriate . Nitropress . Nitroprussiat Fides . Nitroprusside, Disodium Salt . Nitroprusside, Disodium Salt, Dihydrate . Disodium Salt Nitroprusside . Nitroprusside, Sodium . Nitroferricyanide . Sodium Nitroprusside . A powerful vasodilator used in emergencies to lower blood pressure or to improve cardiac function. It is also an indicator for free sulfhydryl groups in proteins. . 0.52