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十九世纪六十年代叶,俄国的伟大化学家布特列洛夫创立了化学结构学说;这一学说成了有机化学的指导理论,使有机合成与基於有机合成的化学工业得到了空前的发展。这一学说无论是在解释已知的和预言新的事实方面,都得到了极大的成功;虽然如此,布特列洛夫却绝不把他的学说看成是僵死的、完美无缺的、永恒不变的真理。他曾经在自己的著作中写道:“为现有理论所不能解释的事实,对于科学是最为珍贵的,从对这些事实的研究中有优先权希望在最近的将来获得理论的发展。”这
In the 1860s, Boutrélov, the great Russian chemist, founded the theory of chemical structure; this theory became the guiding principle of organic chemistry, and made the chemical industry of organic synthesis and organic synthesis based on unprecedented development . This doctrine has been enormously successful, both in terms of explaining what is known and in prophecy; in spite of this, Butterrelov does not consider his doctrine to be dead, perfect, Eternal truth. In his own writings, he wrote: “The fact that can not be explained by existing theories is the most precious for science, and there is a priority from the study of these facts in hope of gaining a theoretical development in the near future.”