Compounds Containing a or Group
Rule C-955. Formazans 955.1 - The compound is named "formazan" and its derivatives are named as substitution products with numerical locants as
indicated. If the positions of the double bonds are unknown, primes are used in accordance with the system
See Recommendations'93 Table 31(a)
Examples to Rule C-955.1
(If there is uncertainty whether the first or the second of the above structures applies, the name is N,3-diphenylformazan.)
(preferred to Formazyl)
Compounds Containing a N=C-N or N=C=N Group C-956
Compounds Containing a N-C(-N)=N Group C-961, C-962
Compounds Containing a N-CO-N or Related Group C-971, C-972, C-973, C-974, C-975
Compounds Containing a N-CO-N-N or More Complex Group C-981, C-982, C-983, C-984, C-985
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