| 摘要 |
PROBLEM TO BE SOLVED: To provide a NO generating compound useful for sustained releasing of NO, and to provide a NO indirectly generating reagent capable of sustained releasing. SOLUTION: The compound is expressed by formulas (A1)-(A3) and its salt. [R1+R8 and R11-R14 are each H, an alkyl, a halongenated alkyl, a carboxyl, an alkoxycarbonly, a carbamoyl, an acyl, an aldehyde, nitrile, an aryl or the like, Y1, Y2, Y11, Y12, Y21 and Y22 are each H, an alkyl, a halogenated alkyl, a carboxyl, an alkoxycarbonyl, a carbamoyl, an acyl, an aldehyde, nitrile or nitro, X11-X14 and X21-X28 are each H, an alkyl, a halogenated alkyl, a carboxyl, an alkoxyacarbonyl, a carbamoyl, an acyl, an aldehyde, nitrile, an aryl or nitro group].
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