structural formula

It was one of the first structural formulas determined.

The relationship between these compounds is summarized in the following structural formula and table of substitutions.

Here are general rules for simple compounds without structural formulae:

The structural formulae and figures are, however, of variable quality.

In addition, very long names may be less concise than structural formulae.

In 1934 he proposed a correct structural formula for the hormone.

One way of showing the molecule is by drawing its structural formula.

Molecular geometry can be roughly represented using a structural formula.

In structural formulas of molecules, the hydrogen atoms are often omitted.

Is this correct, and if so, what is the structural formula?