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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