SPONGY OSSEOUS SUBSTANCE
\spˈʌnd͡ʒi ˈɒsi͡əs sˈʌbstəns], \spˈʌndʒi ˈɒsiəs sˈʌbstəns], \s_p_ˈʌ_n_dʒ_i_ ˈɒ_s_iə_s s_ˈʌ_b_s_t_ə_n_s]\
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Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.