4-methoxy-6-nitro benzaldehyde
2-formly-5-methoxy nitrobenzene
4-methoxy-2-nitro benzaldehyde
2-formyl-3-nitro anisole
Priority of aldehyde comes before ether so giving number 1 to aldehyde and 4 to ether in the given ring benzene the name is 4-methoxy-2-nitrobenzaldehyde.