53.2 - The base component is chosen by considering the following characteristics in turn until a decision is reached:
(a) The system containing the larger number of rings.
(b) The system containing the larger ring.
Examples to Rule A-53.2(a)
(c) The system in the lowest state of hydrogenation (see also Part .3 of this rule).
Examples to Rule A-53.2(b)
(d) The order of ring systems as set forth in the list of Rule A-21.1.
Example to Rule A-53.2(c)
53.3 - Compounds covered by Part .2(c) of this rule may also be named as hydrogenation products according to Rule A-23
See Recommendations'93 R-2.4.4
Examples to Rule A-53.3
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