Throughout the discussion the term 'coupler/effector' is used to describe an unknown molecule that binds activated Smo in such a way as to trigger signal transduction.

Computational studies can be used to predict the possibility of so far entirely unknown molecules or to explore reaction mechanisms that are not readily studied by experimental means.

The shell is composed of an unknown organic molecule with a hyperconnected bond structure.

This tells the overall chemical formula of the unknown molecule.

This experiment is used to detect specific motifs within unknown molecules.

Another large polar species of sea angel, Clione antarctica, defends itself from predators by synthesizing a previously unknown molecule, pteroenone.

The stereochemistry of any 1,2,3-triol may be determined by comparing it with the database, even if the remainder of the unknown molecule is different from the database template compounds.

For that, a specific task in science was chosen: help organic chemists in identifying unknown organic molecules, by analyzing their mass spectra and using knowledge of chemistry.

This unknown molecule had to be studied later, but this thing never happened.

This principle lies at the heart of MR, and can allow us to infer information about the orientation and location of an unknown molecule with its unit cell.