What's the plural form of dihydrouridine? Here's the word you're looking for.
Answer
The noun dihydrouridine can be countable or uncountable.
In more general, commonly used, contexts, the plural form will also be dihydrouridine.
However, in more specific contexts, the plural form can also be dihydrouridines e.g. in reference to various types of dihydrouridines
or a collection of dihydrouridines.