(preferred to Carbohydrazide or Carbazide)
981.2 - Radicals formed by removal of one hydrogen atom from position 1 of the compounds listed in Rule C-981.1, are named by changing the ending "-ide" to "-ido", or "-one" to "-ono"; these names are used when a substituent is also present that has priority for citation as principal group.
See Recommendations'93 Table 31(a)
Examples to Rule C-981.2
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