The invention provides a compound having a structural formula represented by the general formula (I); the compound has good NO releasing activity, has good application prospects, and can be used for resisting inflammation, resisting thrombosis, having antiplatelet activity, lowering cholesterol and triglyceride levels and/or improving high density lipoprotein levels, treating peripheral ischemia, diabetes patient blood vessel complications or atherosclerosis and the like. The invention also provides a method for preparing the compound.