16
1 Parent Structures
Table 1. Retained trivial names for fused polycycles in ascending priority order (see also
Section 6.3)
1 Pentalene
2 Indene
3 Naphthalene
4 Azulene
5 Heptalene
Analogously;
Octalene etc.
6 Biphenylene
6
1
en
4
3
3a
7
H2
CP
I 1 I
:::::-..
3
3a
8
1
co : : : : : - . . I ,&
4a
4
4
7 as-Indacene
8 s-Indacene
4
9 Acenaphthylene
10 Fluorene
4
11 Phenalene
9
10
12 Phenanthrene"