Barbituric acid is a type of organic acid compound.

The sourness of this lemon is very strong.

The study of organic compounds is an important field in chemistry.

This lemon is sour.

Please add a little vinegar to this salad.

This compound was newly discovered by scientists.

If you plant this seed, beautiful flowers will bloom.

In this chemical experiment, we will examine the properties of benzoic acid.

In this chemical reaction, glutamic acid is converted into succinic acid.

We will use iodic acid in this experiment.