hydroximic acids

Compounds derived from oxoacidsRkE(=O)l(OH)m (l ≠ 0) by replacing =O by =NOH (=NOR), as in carbohydroximic acids, RC(OH)=NOH, and sulfonohydroximic acids, RS(=O)(=NOH)OH.
Source:
PAC, 1995, 67, 1307 (Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1342