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Solutions for Condensations and Alpha Substitutions of Carbonyl Compounds O O H A O H H O H H H A O O H H plus one other resonance form from previous page76(a) continued plus one other resonance form (b) plus other resonance forms plus one other resonance form OH O C O OH H O H C C O OH C OH C H2 H H H H C O H C CH2 OH C O H OH OH O H O OH O O H H A H A H A H A A C O H H O H2O 591