оказывать бесценную помощь при
• Aryl hydrazines were of inestimable value in structure determination in sugar chemistry.
Источник:
Русско-английский научно-технический словарь
на Gufo.me
![](http://cdn.gufo.me/i/lec-photo.jpg)
• Aryl hydrazines were of inestimable value in structure determination in sugar chemistry.