摘要: , , || ONa OH (3)HOOC-CH2-C-COOH O O (4)2HOOC-CH2-CH-COOH+6Na-→2NaOOC-CH2-CH-COONa+3H2↑ (5)HOOC-CH==CH-COOH.HOOC-CH2-CH-C==O.O==C-CH2-CH-COOH HO-CH-C==O

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