Application of the Fundamental Building-Up Principle to Isomers

Principle 6.2 (Par. 6.5.2) is readily applicable to the generation of isomers of single coronoids cf. Cyvin SJ (1992c), and Cyvin SJ, Cyvin and BrunvoU (1993e) on the analogous rules for benzenoids. 

Principle 6.3 All pericondensed (n 0) single coronoid isomers are generated by 

According to Principle 6.2 the (i) one—, (ii) two— and (iii) three-contact additions should be applied to those isomers which have one hexagon less than in and (i) the same number 

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