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Then they can be further recrystallized to biphenyl with a purity of over 99.9 %.
进一步用溶剂结晶法去除了联苯中的杂质,获得99.9%以上联苯.
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Methods A new synthesis route for felbinac preparation was studied with biphenyl under ultrasound.
方法:以联苯为原料,在超声催化作用下合成新药联苯乙酸.
联苯???
联苯：同diphenyl???
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