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or 
are called generically "oximes" and
have been further classified as "aldoximes" and "ketoximes", respectively. They are named according to the principles of functional class nomenclature by placing the class name "oxime" as a separate
word after the name of the aldehyde RCHO or the ketone 
, respectively; or substitutively by use of the prefix "hydroxyimino-" attached to the name of a parent hydride or parent
substituent prefix. Compounds containing the group 
may be named as O-substituted oximes or as alkoxy-substituted imines.
R-5.6.6.2 Hydrazones. Compounds having the general structureExamples to R-5.6.6.1
or 
are called "hydrazones" generically and are named according to functional
class nomenclature by placing the class name "hydrazone" as a separate word following the name of the corresponding aldehyde or ketone, or substitutively by means of the prefix "hydrazono-" attached
to the name of an appropriate parent hydride or parent substitutive prefix.
R-5.6.6.3 Azines. Compounds having the general structureExamples to R-5.6.6.2
or 
are called "azines" generically and are named substitutively as derivatives
of diazane or as an assembly of identical units using the prefix "azino-". According to functional class nomenclature, they may be named by adding the class name "azine" as a separate word after the
name of the corresponding aldehyde or ketone.
Compounds having the general structureExamples to R-5.6.6.3
(RR') are named as "ylidenehydrazones" (see R-5.6.6.2) of the preferred carbonyl compound or by using the
prefix "hydrazono-".
R-5.6.6.4 Other nitrogen derivatives of carbonyl compounds. Derivatives of semicarbazideExamples to R-5.6.6.3
of the types 
and 
may be named substitutively by using the functional parent compound name "semicarbazide", or the prefix name "semicarbazono-", or according to
principles of functional class nomenclature, by adding the class name "semicarbazone" as a separate word after the name of the aldehyde RCHO or ketone 
. Chalcogen analogues are named
in the same way on the basis of functional parent compound names such as "selenosemicarbazide" and prefix names such as "thiosemicarbazono-", or functional class names such as "thiosemicarbazone".
Other derivatives of semicarbazide, and derivatives of carbonohydrazide,Examples to R-5.6.6.4
, carbazone, 
, and their chalcogen analogues may be named substitutively using these
functional parent compound names and prefix names such as "semicarbazido-", "thiocarbonohydrazido-" and "carbazono-". These prefix names describe a substittuent derived from the appropriate
functional parent compound names by loss of one hydrogen atom from position "1" only.
Examples to R-5.6.6.4
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