Rule C-58 58.1 - As an exception, compounds containing carbamic acid side chains joined by nitrogen to the cyclic component may be designated by
conjunctive nomenclature, the NH-COOH chain being considered as the acyclic component.
58.2 - As a further exception, heterocycles having a side chain attached to a ring-nitrogen atom may be designated by conjunctive nomenclature.
Example to Rule C-58.1
Note: For names such as ethylenediaminetetraacetic acid see note to Rule C-815.1.
Example to Rule C-58.2
See Recommendations'93 R-1.2.4
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