基本解释马来酰基,顺丁烯二酰基同根派生 maleoyl相关词英汉例句maleoyl","-COCHCHCO-"," 顺丁烯二醯基"maleoyl acetoacetate 马来酸单酰乙酰乙酸,顺丁烯二酸单酰乙酰乙酸maleoyl更多例句