oxime O-ethers 

https://doi.org/10.1351/goldbook.O04371
O-Hydrocarbyl oximes R2C=NOR' ( R'H).
Source:
PAC, 1995, 67, 1307. (Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1354 [Terms] [Paper]