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N'-Hydroxy-2-methylpropanimidamide N'-Hydroxycyclopropanecarboximidamide N-HYDROXYCYCLOPENTANECARBOXIMIDAMIDE N-HYDROXY-2,2-DIMETHYLPROPANIMIDAMIDE N-HYDROXY-2-(4-HYDROXY-PHENYL)-ACETAMIDINE 2-(4-BROMO-PHENYL)-N-HYDROXY-ACETAMIDINE 2-(3,4-DIMETHOXY-PHENYL)-N-HYDROXY-ACETAMIDINE 3-HYDRAZINO-N'-HYDROXY-3-OXOPROPANIMIDAMIDE