. Parent structures.
![]() |
| Type 1-Unlimited substitution |
![]() |
![]() Acetone |
![]() Ketene |
![]() Acenaphthoquinone (1,2-isomer only) |
![]() Anthraquinone (9,10-isomer shown) |
![]() Benzoquinone (p-isomer shown) |
![]() Naphthoquinone (1,4-isomer shown) |

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