Alicyclic compounds play an important role in organic chemistry.

He was interested in the ancient boustrophedon style of writing.

A tautology refers to a logical formula that is always true, no matter what values are substituted.

This book is printed in American points.

In organic chemistry, we use the Newman projection to represent the three-dimensional structure of molecules.

The Fischer projection is a commonly used representation method in organic chemistry.

In organic chemistry, we use the Haworth projection to represent the three-dimensional structure of sugars.

In the organic chemistry class, there was an explanation of the Natta projection.

He couldn't refrain from the spiciness.

The seal of the King of Wa is an important artifact in ancient Japanese history.